{ "model": { "rank": 4700, "code": "thing-q170758", "model_id": "vr.tr.lymph-node", "name": "lymph node", "purpose": "Enable an AI agent to recognise a lymph node, describe its anatomical and immune context, assess documented changes, and identify what further observation or authorised clinical evaluation may be appropriate.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q170758/", "tier": 2, "score": 73, "payload": { "layer": "wikidata", "aliases": [ "subiliac lymph node", "mediastinal lymph nodes", "Pelvic nodes", "Apical lymph nodes", "Central lymph nodes", "deltopectoral nodes", "superficial lymph node", "deep lymph node", "lymph node of lower limb", "lymph node of upper limb", "lymph node of head", "lymph node of neck", "lymph node of trunk", "intermediate lacunar lymph node", "lateral lacunar lymph node", "mesenteric lymph nodes", "Subscapular axillary lymph nodes", "posterior mediastinal lymph node", "anterior mediastinal lymph node", "lateral pericardial lymph node", "Right apical axillary lymph node", "Left apical axillary lymph node", "Set of right central axillary lymph nodes", "Set of left central axillary lymph nodes", "Right central axillary lymph node", "Left central axillary lymph node", "Set of right infraclavicular lymph nodes", "Set of left infraclavicular lymph nodes", "mural mesenteric lymph node", "intermediate mesenteric lymph node", "juxta-arterial mesenteric lymph node", "Set of right subscapular lymph nodes", "Set of left subscapular axillary lymph nodes", "Right subscapular lymph node", "Left subscapular lymph node" ], "aliasCount": 35, "merged": 35, "knownIn": 73, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q170758", "url": "https://www.wikidata.org/wiki/Q170758", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T20:49:00Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 22.5, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087ed-639f-75c3-b325-718fb1c9f82b\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: lymph node\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 005: 1001 regi", "usd": 0, "recall": true }, "codex": { "seconds": 63.6, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087ed-639f-7f02-a4a6-f582b6331893\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: lymph node\nRegistry id: vr.tr.lymph-node\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCo" } } }, "metaModel": { "id": "THING-Q170758", "registryId": "vr.tr.lymph-node", "name": "lymph node", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q170758/", "model": { "registry_id": "vr.tr.lymph-node", "name": "lymph node", "purpose": "Enable an AI agent to recognise a lymph node, describe its anatomical and immune context, assess documented changes, and identify what further observation or authorised clinical evaluation may be appropriate.", "definition": "A lymph node is an encapsulated secondary lymphoid organ situated along lymphatic vessels that filters lymph and provides an organized site where immune cells encounter lymph-borne antigens and initiate adaptive immune responses.", "scope_statement": "This model owns the lymph node as a discrete secondary lymphoid organ, including its tissue organisation, lymphatic connections, immune activity, observed condition, and assessment history; species and anatomical site must be explicit.", "in_scope": [ "Identity, anatomical location, laterality, and membership in a lymph node group", "Capsule, internal compartments, stromal support, and vascular interfaces", "Afferent drainage, intranodal lymph passage, and efferent connections", "Immune cell organisation and documented reactive changes", "Observed morphology, symptoms, tissue findings, and longitudinal change", "Node-specific examination, imaging, sampling, and specimen provenance" ], "out_of_scope": [ "The lymphatic system as a whole and lymphatic vessels as independent structures", "Other lymphoid organs, including spleen, thymus, tonsils, and mucosal lymphoid tissue", "Infections, immune disorders, and malignancies as independently defined diseases", "Whole-person diagnosis, staging, prognosis, and treatment planning", "Imaging devices, biopsy instruments, and laboratory assay methods as technologies", "Lymph node chains and regional basins as collections rather than individual organs" ], "distinguishing_features": [ "A lymph node is an organised lymphoid organ on a lymphatic drainage route; a lymphatic vessel primarily provides a conduit rather than a compartmentalised lymphoid organ.", "Typical preserved architecture includes a capsule, cortical follicles, paracortex, medullary regions, and lymphatic sinuses; a lymphoid follicle alone is a component rather than an entire node.", "A lymph node receives tissue-derived lymph, whereas the spleen is organised around blood filtration and lacks the same afferent lymphatic arrangement.", "Lymph nodes are distinct from epithelial-associated lymphoid structures such as tonsils, which have different surface relationships and organisation.", "A lump or imaging abnormality is not established as a lymph node by location alone; its identification requires supporting anatomical, imaging, or tissue evidence." ], "characteristics": [ { "name": "Species and life stage", "kind": "category", "unit_or_values": "Species; age or developmental stage; unknown", "why_it_matters": "Anatomical organisation and interpretation of findings depend on the organism and life stage." }, { "name": "Anatomical station and laterality", "kind": "relation", "unit_or_values": "Named node group or station, body region, side, and anatomical landmarks", "why_it_matters": "Supports localisation, comparison, and interpretation of drainage relationships." }, { "name": "Drainage relationships", "kind": "relation", "unit_or_values": "Upstream tissues, afferent vessels, downstream nodes or vessels; evidence and confidence", "why_it_matters": "Connects node findings to a drainage territory without assuming that the territory is invariant." }, { "name": "Dimensions", "kind": "measurement", "unit_or_values": "Millimetres; named axes, modality, measurement plane, and date", "why_it_matters": "Enables meaningful comparison without treating size alone as a diagnosis." }, { "name": "Imaging morphology", "kind": "category", "unit_or_values": "Shape, cortex, visible hilum, internal composition, margins, and modality-specific vascular pattern", "why_it_matters": "Records the features used to characterise a node beyond its dimensions." }, { "name": "Architectural preservation", "kind": "state", "unit_or_values": "Preserved, altered, effaced, or not assessable; tissue method and descriptive findings", "why_it_matters": "Distinguishes tissue architecture from imaging appearance and records limits of assessment." }, { "name": "Local examination findings", "kind": "state", "unit_or_values": "Tenderness, consistency, mobility, overlying skin findings; not examined or not accessible", "why_it_matters": "Captures node-associated observations without assigning their cause." }, { "name": "Change over time", "kind": "state", "unit_or_values": "New, increasing, stable, decreasing, resolved from observation, or indeterminate; comparison interval", "why_it_matters": "Separates a single observation from a documented trajectory." }, { "name": "Sampling relationship", "kind": "relation", "unit_or_values": "Unsampled, aspirated, core sampled, or excised; linked procedure and specimen identifiers", "why_it_matters": "Establishes which evidence came from this node and how much of its structure was available." } ], "affordances": [ "Locate and distinguish an individual node from adjacent nodes and non-nodal structures.", "Map documented drainage and regional relationships while recording uncertainty.", "Compare examinations or images when node identity and measurement methods are sufficiently aligned.", "Associate pathology and laboratory results with the correct node and specimen.", "Identify missing evidence and support clinician review of documented changes.", "Record authorised sampling or excision and its effect on subsequent observation." ] }, "sources": [], "structure": { "bundles": [ { "id": "nodal-identity-and-location", "name": "Nodal identity and location", "description": "Establishes which lymph node is represented and where it lies.", "rationale": "Nearby nodes, regional labels, and non-nodal masses can otherwise be mistaken for the same structure.", "layers": [ { "id": "organ-boundary", "name": "Organ boundary", "description": "Defines the individual organ and the evidence supporting its identification.", "findings": [ { "id": "individual-node-identification", "name": "Individual node identification", "description": "Record whether the observation identifies one node, several confluent nodes, or an uncertain nodal structure.", "questions": [ { "text": "What evidence identifies this structure as a lymph node rather than a vessel, gland, cyst, or other mass?", "kind": "definition", "id": "individual-node-identification-q01" }, { "text": "Does the record describe one separable node or a group whose individual boundaries cannot be established?", "kind": "boundary", "id": "individual-node-identification-q02" } ] } ] }, { "id": "anatomical-address", "name": "Anatomical address", "description": "Locates the node using organism context and reproducible landmarks.", "findings": [ { "id": "station-and-landmarks", "name": "Station and landmarks", "description": "Record species, side, regional group or station, depth, and relationships to nearby structures.", "questions": [ { "text": "Which species, body region, side, and anatomical landmarks define this node's location?", "kind": "definition", "id": "station-and-landmarks-q01" }, { "text": "Which anatomical or clinical naming convention supplies the station label?", "kind": "provenance", "id": "station-and-landmarks-q02" } ] } ] } ] }, { "id": "nodal-tissue-organisation", "name": "Nodal tissue organisation", "description": "Describes the architecture that supports lymph passage and immune cell interactions.", "rationale": "A node's internal compartments are central to its identity and to interpreting tissue changes.", "layers": [ { "id": "capsule-and-compartments", "name": "Capsule and compartments", "description": "Addresses the organ envelope, lymphatic sinuses, and internal regions.", "findings": [ { "id": "architectural-map", "name": "Architectural map", "description": "Record observed capsule, cortex, paracortex, medullary regions, and sinuses without assuming an incomplete sample represents the entire organ.", "questions": [ { "text": "Which compartments are identifiable, altered, or absent from the available tissue?", "kind": "measurement", "id": "architectural-map-q01" }, { "text": "Does the specimen preserve enough of the node to assess its overall architecture?", "kind": "boundary", "id": "architectural-map-q02" } ] } ] }, { "id": "cellular-and-stromal-organisation", "name": "Cellular and stromal organisation", "description": "Addresses the spatial arrangement of immune cells and their supporting tissue.", "findings": [ { "id": "immune-cell-distribution", "name": "Immune cell distribution", "description": "Capture documented follicular, interfollicular, and sinus-associated populations, together with the methods used to identify them.", "questions": [ { "text": "What cell populations and spatial patterns were demonstrated, and by which tissue or laboratory methods?", "kind": "provenance", "id": "immune-cell-distribution-q01" }, { "text": "Which cellular or stromal features remain unassessed because of sampling or method limitations?", "kind": "boundary", "id": "immune-cell-distribution-q02" } ] } ] } ] }, { "id": "lymph-drainage-and-immune-traffic", "name": "Lymph drainage and immune traffic", "description": "Places the node within lymph flow and immune cell circulation.", "rationale": "Drainage territory and cellular entry routes explain relationships that location alone cannot establish.", "layers": [ { "id": "afferent-and-efferent-connections", "name": "Afferent and efferent connections", "description": "Records upstream tissue drainage and downstream lymphatic pathways.", "findings": [ { "id": "drainage-territory", "name": "Drainage territory", "description": "Distinguish expected anatomical drainage from pathways demonstrated in the individual.", "questions": [ { "text": "Which tissues and downstream structures are connected to this node, and are those connections expected or demonstrated?", "kind": "boundary", "id": "drainage-territory-q01" }, { "text": "What mapping evidence supports the drainage assignment or any sentinel-node designation?", "kind": "provenance", "id": "drainage-territory-q02" } ] } ] }, { "id": "blood-and-lymph-interfaces", "name": "Blood and lymph interfaces", "description": "Addresses routes through which lymph, antigens, and immune cells reach or leave the node.", "findings": [ { "id": "traffic-pathways", "name": "Traffic pathways", "description": "Represent lymphatic entry and exit separately from blood vascular interfaces, including high endothelial venules where applicable.", "questions": [ { "text": "Which routes of lymph passage and immune cell entry or exit are relevant to the species and node being modelled?", "kind": "definition", "id": "traffic-pathways-q01" }, { "text": "What evidence demonstrates altered flow or trafficking rather than merely altered node size?", "kind": "provenance", "id": "traffic-pathways-q02" } ] } ] } ] }, { "id": "nodal-condition-and-change", "name": "Nodal condition and change", "description": "Separates observed morphology and activity from interpretations of their cause.", "rationale": "Enlargement, immune reactivity, and disease involvement are related but cannot be treated as interchangeable states.", "layers": [ { "id": "observable-morphology", "name": "Observable morphology", "description": "Captures examination and imaging observations using method-specific descriptions.", "findings": [ { "id": "size-shape-and-local-signs", "name": "Size, shape, and local signs", "description": "Record dimensions, internal appearance, and accessible examination findings with their acquisition context.", "questions": [ { "text": "What dimensions, shape, cortical appearance, hilar appearance, and other internal features were recorded by the available modality?", "kind": "measurement", "id": "size-shape-and-local-signs-q01" }, { "text": "Which tenderness, mobility, consistency, or skin findings were directly examined, and when?", "kind": "provenance", "id": "size-shape-and-local-signs-q02" } ] } ] }, { "id": "reactivity-and-involvement", "name": "Reactivity and involvement", "description": "Records supported interpretations and their evolution without inferring disease from morphology alone.", "findings": [ { "id": "supported-state-and-trajectory", "name": "Supported state and trajectory", "description": "Link interpretations such as reactive change or disease involvement to evidence, certainty, and comparable prior observations.", "questions": [ { "text": "What evidence supports the reported interpretation, and is it provisional or established by the documented assessment?", "kind": "provenance", "id": "supported-state-and-trajectory-q01" }, { "text": "How has this same node changed over a stated interval, allowing for differences in measurement and observation methods?", "kind": "measurement", "id": "supported-state-and-trajectory-q02" } ] } ] } ] }, { "id": "assessment-and-sampling", "name": "Assessment and sampling", "description": "Connects node observations to procedures, specimens, and justified next steps.", "rationale": "Sampling may reveal cells without preserving architecture, and results are useful only when their node of origin is clear.", "layers": [ { "id": "specimen-traceability", "name": "Specimen traceability", "description": "Links the anatomical target to collected material and resulting reports.", "findings": [ { "id": "node-to-specimen-link", "name": "Node-to-specimen link", "description": "Record sampling method, target localisation, specimen identity, adequacy, and whether the node remains in place.", "questions": [ { "text": "Which procedure and specimen identifiers establish that the reported material came from this node?", "kind": "provenance", "id": "node-to-specimen-link-q01" }, { "text": "What can the collected material establish about cells and architecture, and what remains outside its sampling coverage?", "kind": "boundary", "id": "node-to-specimen-link-q02" } ] } ] }, { "id": "review-and-intervention-context", "name": "Review and intervention context", "description": "Records node-specific reasons, constraints, and authority for further assessment.", "findings": [ { "id": "justified-next-assessment", "name": "Justified next assessment", "description": "Associate proposed follow-up or sampling with the unresolved question, clinical decision-maker, and relevant anatomical constraints.", "questions": [ { "text": "Which unresolved node-specific question is further examination, imaging, or sampling intended to answer?", "kind": "action", "id": "justified-next-assessment-q01" }, { "text": "What clinician-approved plan and anatomical access constraints govern the proposed action?", "kind": "action", "id": "justified-next-assessment-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "The sense covered is the anatomical organ, primarily as described in humans; the listed kinds are location-based groups.", "Normal size and thresholds for suspicious enlargement depend on anatomical site, age, imaging method and morphology, so no universal measurement range is supplied.", "This is recalled anatomical knowledge; terminology editions and clinical applications have not been checked against sources." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of lymph node this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Cervical lymph nodes", "Axillary lymph nodes", "Mediastinal lymph nodes", "Mesenteric lymph nodes", "Pelvic lymph nodes", "Inguinal lymph nodes" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of lymph node this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Terminologia Anatomica, maintained by the Federative International Programme for Anatomical Terminology (FIPAT), standardizes anatomical names for lymph nodes and their groups." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of lymph node this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Capture and processing of antigens carried from tissues in lymph.", "Coordination of antigen presentation and activation of T and B lymphocytes.", "Support for B-cell proliferation, antibody affinity maturation and memory-cell formation during immune responses.", "Clinical examination, imaging and tissue sampling to investigate infection, inflammation or malignancy.", "Sentinel lymph node assessment to evaluate regional spread of selected cancers." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of lymph node this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Infectious lymphadenitis, sometimes with suppuration and abscess formation.", "Involvement by metastatic cancer arriving through lymphatic drainage.", "Involvement by lymphoma or other hematologic malignancies.", "Granulomatous inflammation that can alter normal nodal architecture.", "Removal, irradiation or extensive disease of regional nodes can impair lymphatic drainage and contribute to lymphedema." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of lymph node this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Node size, number and arrangement vary between anatomical regions and individuals.", "Drainage territories differ by location and may overlap or follow variant pathways." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of lymph node this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "name": "Lymphatic vessel", "difference": "A vessel transports lymph; a lymph node is an organized lymphoid organ interposed along its route." }, { "name": "Spleen", "difference": "The spleen monitors blood-borne material and removes aged blood cells; lymph nodes primarily monitor lymph draining from tissues." }, { "name": "Thymus", "difference": "The thymus is a primary lymphoid organ supporting T-cell development and selection; lymph nodes are secondary lymphoid organs supporting immune responses." }, { "name": "Lymphoid nodule", "difference": "A lymphoid nodule is a localized aggregate of lymphoid tissue, often a B-cell follicle; it can be part of a lymph node but is not the whole organ." }, { "name": "Sentinel lymph node", "difference": "A sentinel node is a lymph node identified by its position among the first nodes draining a particular tissue or tumor; it is a functional designation rather than a separate organ type." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of lymph node this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should the initial publication cover human lymph nodes only, or which species-specific architectural and drainage variants must it support?", "Which anatomical station vocabularies should be used, and how should conflicting surgical, radiological, and anatomical labels be reconciled?", "Which evidence-based size and morphology interpretations apply by anatomical site, age, modality, and clinical context?", "How should individual node identity be maintained across examinations when nodes cluster, become confluent, are partly sampled, or are excised?", "What minimum evidence should distinguish expected drainage, individually demonstrated drainage, and a procedure-specific sentinel-node designation?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 17, "questions": 27 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "device, machine or tool", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a lymph node, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise a lymph node, describe its anatomical and immune context, assess documented changes, and identify what further observation or authorised clinical evaluation may be appropriate.", "characteristics": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: subiliac lymph node, mediastinal lymph nodes, Pelvic nodes, Apical lymph nodes, Central lymph nodes, deltopectoral nodes, superficial lymph node, deep lymph node, lymph node of lower limb, lymph node of upper limb, lymph node of head, lymph node of neck.", "35 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 73 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a lymph node, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Mobility varies between examples.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "subiliac lymph node", "mediastinal lymph nodes", "Pelvic nodes", "Apical lymph nodes", "Central lymph nodes", "deltopectoral nodes", "superficial lymph node", "deep lymph node", "lymph node of lower limb", "lymph node of upper limb", "lymph node of head", "lymph node of neck" ] } ], "standing": "Described in 73 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 35 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one lymph node from another, and a lymph node from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a lymph node, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a lymph node, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a lymph node is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a lymph node, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a lymph node, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a lymph node is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a lymph node sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a lymph node, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a lymph node, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a lymph node is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a lymph node from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a lymph node, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a lymph node, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a lymph node is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "form-and-composition", "name": "Form, composition and condition", "description": "What a lymph node is made of, what shape and size it takes, and what state it is in.", "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.", "layers": [ { "id": "form-and-dimensions", "name": "Form and dimensions", "description": "Shape, size, mass and the ranges these take across examples.", "findings": [ { "id": "measurable-dimensions", "name": "Measurable dimensions and their units", "description": "The quantities worth recording and the units they are recorded in.", "questions": [ { "id": "measurable-dimensions-q01", "text": "What identifies and describes the dimensions of a lymph node, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "measurable-dimensions-q02", "text": "Who or what asserted this about the dimensions of a lymph node, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "measurable-dimensions-q03", "text": "What may an agent decide or do once the dimensions of a lymph node is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "material-and-composition", "name": "Material and composition", "description": "Materials, parts and how they are put together.", "findings": [ { "id": "parts-and-materials", "name": "Parts and materials", "description": "What a lymph node is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a lymph node, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "parts-and-materials-q02", "text": "Who or what asserted this about the composition of a lymph node, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "parts-and-materials-q03", "text": "What may an agent decide or do once the composition of a lymph node is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "condition-and-integrity", "name": "Condition and integrity", "description": "Wear, damage, health and the difference between working and broken.", "findings": [ { "id": "condition-assessment", "name": "Condition, damage and health", "description": "How the condition of a lymph node is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a lymph node, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "condition-assessment-q02", "text": "Who or what asserted this about the condition of a lymph node, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "condition-assessment-q03", "text": "What may an agent decide or do once the condition of a lymph node is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "place-and-movement", "name": "Place and movement", "description": "Where a lymph node is, how it got there and where it may go (varies).", "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.", "layers": [ { "id": "location-and-placement", "name": "Location and placement", "description": "Position, containment and the reference frame the position is given in.", "findings": [ { "id": "position-and-frame", "name": "Position, container and reference frame", "description": "Where a lymph node is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a lymph node, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "position-and-frame-q02", "text": "Who or what asserted this about the location of a lymph node, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "position-and-frame-q03", "text": "What may an agent decide or do once the location of a lymph node is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "movement-and-transfer", "name": "Movement and transfer", "description": "How a lymph node is carried, installed or relocated.", "findings": [ { "id": "movement-events", "name": "Movement events and constraints", "description": "What counts as a movement, what records it and what limits it.", "questions": [ { "id": "movement-events-q01", "text": "What identifies and describes the movement of a lymph node, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "movement-events-q02", "text": "Who or what asserted this about the movement of a lymph node, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "movement-events-q03", "text": "What may an agent decide or do once the movement of a lymph node is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a lymph node passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a lymph node between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a lymph node, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a lymph node, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a lymph node is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a lymph node, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a lymph node is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a lymph node, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a lymph node, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a lymph node is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "function-and-principle", "name": "Function and operating principle", "description": "What lymph node is for and how it achieves it.", "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.", "layers": [ { "id": "intended-function", "name": "Intended function", "description": "The job it does, and the jobs it is used for anyway.", "findings": [ { "id": "function-record", "name": "Function, principle and variants", "description": "What it does, how, and which variants do it differently.", "questions": [ { "id": "function-record-q01", "text": "What function does lymph node perform, on what operating principle, and which variants differ in that principle?", "kind": "definition" }, { "id": "function-record-q02", "text": "What use falls outside the intended function but happens in practice?", "kind": "boundary" } ] } ] }, { "id": "capacity-and-rating", "name": "Capacity and rating", "description": "The numbers that say what it can do and where it stops.", "findings": [ { "id": "ratings", "name": "Ratings and their conditions", "description": "Rated capacity, power, throughput and the conditions each assumes.", "questions": [ { "id": "ratings-q01", "text": "What ratings characterise lymph node, in what units, and under what stated conditions?", "kind": "measurement" }, { "id": "ratings-q02", "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?", "kind": "action" } ] } ] } ] }, { "id": "operation-and-state", "name": "Operation, controls and state", "description": "How lymph node is operated and what state it is in right now.", "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.", "layers": [ { "id": "controls-and-modes", "name": "Controls and modes", "description": "What can be set, what that changes, and what is interlocked.", "findings": [ { "id": "control-surface", "name": "Control surface and interlocks", "description": "The settings available and the conditions that block them.", "questions": [ { "id": "control-surface-q01", "text": "What controls and modes does lymph node have, and what does each change?", "kind": "definition" }, { "id": "control-surface-q02", "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?", "kind": "action" } ] } ] }, { "id": "condition-and-maintenance", "name": "Condition and maintenance", "description": "Wear, service intervals, consumables and the line between working and broken.", "findings": [ { "id": "service-record", "name": "Condition, service and consumables", "description": "What is consumed, what is serviced, and how condition is judged.", "questions": [ { "id": "service-record-q01", "text": "What consumables and service does lymph node need, at what interval, and on whose authority?", "kind": "measurement" }, { "id": "service-record-q02", "text": "What evidence separates a unit that is working from one that is out of service?", "kind": "boundary" } ] } ] } ] }, { "id": "kind-model-unit", "name": "Kind, model and unit", "description": "Whether a claim about lymph node is about the kind, a product line, or one physical unit.", "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.", "layers": [ { "id": "level-of-reference", "name": "Level of reference", "description": "The three levels and what belongs at each.", "findings": [ { "id": "level-rules", "name": "What belongs to kind, model and unit", "description": "Which properties are shared by all of them and which are not.", "questions": [ { "id": "level-rules-q01", "text": "Which facts about lymph node hold for every one of them, which for a model, and which only for one unit?", "kind": "boundary" }, { "id": "level-rules-q02", "text": "What identifies an individual unit, and what should an agent do when it has only the kind?", "kind": "action" } ] } ] }, { "id": "standards-and-conformity", "name": "Standards and conformity", "description": "The standards a working example must meet and who attests it.", "findings": [ { "id": "conformity", "name": "Standards, marks and attestation", "description": "Which standard applies, who certifies, and what the mark means.", "questions": [ { "id": "conformity-q01", "text": "Which standards govern lymph node, issued by whom, and what does conformity actually assert?", "kind": "provenance" }, { "id": "conformity-q02", "text": "What may an agent conclude from a certification mark, and what may it not?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a lymph node came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a lymph node and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a lymph node, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a lymph node, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a lymph node is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a lymph node is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a lymph node, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a lymph node, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a lymph node is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 8, "layers": 17, "findings": 19, "questions": 51 } } } }