{ "model": { "rank": 4904, "code": "thing-q188909", "model_id": "vr.tr.cell-division", "name": "cell division", "purpose": "Let an agent explain cell division accurately by type, stages, regulation and significance for growth, reproduction and disease.", "family": "Thing Registry", "category": "Activities and processes", "status": "research-draft", "kind": "thing", "plane": "ACT", "domain": "ACT.PRC", "industry": "", "version": "", "url": "/models/thing/q188909/", "tier": 2, "score": 71, "payload": { "layer": "wikidata", "aliases": [ "binary fission", "cell cycle", "endodyogeny", "stem cell division", "embryonic cleavage", "epidermal cell division", "forebrain ventricular zone progenitor cell division", "growth plate cartilage chondrocyte division", "spermatogonial cell division", "spermatocyte division", "symmetric cell division", "neuroblast division", "anticlinal cell division", "periclinal cell division", "myoblast division", "radial glial cell division in pallium", "glioblast division", "schizogony", "syncytial embryo cellularization", "asymmetric cell division", "cell nucleus division", "cystoblast division", "asymmetric stem cell division", "asymmetric neuroblast division", "zygote asymmetric cell division", "sensory organ precursor cell division" ], "aliasCount": 26, "merged": 26, "knownIn": 71, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.cell-division", "source": { "dataset": "wikidata", "item": "Q188909", "url": "https://www.wikidata.org/wiki/Q188909", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T06:37:34Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 1, "engine": "claude" }, "metaModel": { "id": "THING-Q188909", "registryId": "vr.tr.cell-division", "name": "cell division", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "ACT.PRC" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q188909/", "model": { "registry_id": "vr.tr.cell-division", "name": "cell division", "purpose": "Let an agent explain cell division accurately by type, stages, regulation and significance for growth, reproduction and disease.", "definition": "The process by which a parent cell divides into two or more daughter cells, including mitosis, meiosis and binary fission, as part of the cell cycle.", "what_it_is_for": "Growth, repair and reproduction of organisms.", "affordances": [ "study it in biology", "observe it under the microscope", "target it in cancer therapy", "teach its stages" ], "distinguishing_features": [ "Parent cell becomes daughter cells", "Mitosis, meiosis and fission differ", "Tightly regulated by the cell cycle", "Uncontrolled division is a hallmark of cancer" ], "appearance": "Microscopic sequences of chromosome condensation, separation and cell splitting.", "visual_identification": [ "Stages of mitosis visible with staining", "Binary fission in bacteria", "Embryonic cleavage in early development" ], "physical_properties": [], "families_and_kinds": [ "mitosis", "meiosis", "binary fission", "embryonic cleavage", "specialised divisions such as endodyogeny" ], "related_models": [ { "relation": "is a kind of", "target": "biological process", "why": "cellular process" }, { "relation": "involves", "target": "cell", "why": "participant" }, { "relation": "is part of", "target": "reproduction and growth", "why": "context" }, { "relation": "is dysregulated in", "target": "cancer", "why": "disease" } ], "identifiers": [ { "scheme": "GO term", "value_or_pattern": "GO:0051301", "note": "cell division" } ], "standards_and_regulation": [], "failure_modes_and_hazards": [ "Oversimplified explanations", "Confusing mitosis and meiosis" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "type", "name": "Type", "description": "Which division.", "rationale": "Type decides outcome.", "layers": [ { "id": "kind", "name": "Kind", "description": "Mitosis, meiosis, fission.", "findings": [ { "id": "kind-finding", "name": "Kind", "description": "Division type.", "questions": [ { "text": "Which type of cell division is it?", "kind": "definition" }, { "text": "In which organism or tissue?", "kind": "definition" } ] } ] }, { "id": "outcome", "name": "Outcome", "description": "Daughter cells.", "findings": [ { "id": "outcome-finding", "name": "Outcome", "description": "Outcome.", "questions": [ { "text": "How many daughter cells, with what chromosome number?", "kind": "measurement" }, { "text": "Are they identical?", "kind": "definition" } ] } ] } ] }, { "id": "stages", "name": "Stages", "description": "Sequence.", "rationale": "Stages structure the process.", "layers": [ { "id": "phases", "name": "Phases", "description": "Named stages.", "findings": [ { "id": "phases-finding", "name": "Phases", "description": "Stages.", "questions": [ { "text": "What are the stages?", "kind": "definition" }, { "text": "How long does each take?", "kind": "measurement" } ] } ] }, { "id": "checkpoints", "name": "Checkpoints", "description": "Regulation.", "findings": [ { "id": "checkpoints-finding", "name": "Checkpoints", "description": "Cell cycle control.", "questions": [ { "text": "Which checkpoints control division?", "kind": "definition" }, { "text": "What happens if they fail?", "kind": "boundary" } ] } ] } ] }, { "id": "significance", "name": "Significance", "description": "Why it matters.", "rationale": "Division underpins life.", "layers": [ { "id": "growth", "name": "Growth and repair", "description": "Tissues.", "findings": [ { "id": "growth-finding", "name": "Growth", "description": "Role in growth.", "questions": [ { "text": "How does division support growth and repair?", "kind": "definition" }, { "text": "Which cells divide most?", "kind": "definition" } ] } ] }, { "id": "disease", "name": "Disease", "description": "Cancer.", "findings": [ { "id": "disease-finding", "name": "Disease", "description": "Disease links.", "questions": [ { "text": "How is uncontrolled division linked to cancer?", "kind": "definition" }, { "text": "How do therapies target it?", "kind": "provenance" } ] } ] } ] }, { "id": "teaching", "name": "Teaching", "description": "Explaining.", "rationale": "Clear explanation.", "layers": [ { "id": "explanation", "name": "Explanation", "description": "Plain terms.", "findings": [ { "id": "explanation-finding", "name": "Explanation", "description": "Explanation.", "questions": [ { "text": "How can the stages be explained simply?", "kind": "action" }, { "text": "What misconceptions are common?", "kind": "boundary" } ] } ] }, { "id": "observation", "name": "Observation", "description": "Microscopy.", "findings": [ { "id": "observation-finding", "name": "Observation", "description": "Observation.", "questions": [ { "text": "How can division be observed in a classroom?", "kind": "action" }, { "text": "What safety rules apply?", "kind": "boundary" } ] } ] } ] } ] }, "openQuestions": [ "Should division types be separate entries?", "How should cell cycle phases be linked?", "How should cancer links be explained accurately?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "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 cell division, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain cell division accurately by type, stages, regulation and significance for growth, reproduction and disease.", "characteristics": { "substance": "activity", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: binary fission, cell cycle, endodyogeny, stem cell division, embryonic cleavage, epidermal cell division, forebrain ventricular zone progenitor cell division, growth plate cartilage chondrocyte division, spermatogonial cell division, spermatocyte division, symmetric cell division, neuroblast division.", "26 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 71 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 cell division, and on what evidence are they told apart?" ], "whatItIsMadeOf": "something that happens over time", "physicalCharacter": [ "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": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "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": [ "binary fission", "cell cycle", "endodyogeny", "stem cell division", "embryonic cleavage", "epidermal cell division", "forebrain ventricular zone progenitor cell division", "growth plate cartilage chondrocyte division", "spermatogonial cell division", "spermatocyte division", "symmetric cell division", "neuroblast division" ] } ], "standing": "Described in 71 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 26 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 cell division from another, and a cell division 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 cell division, 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 cell division, 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 cell division 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 cell division, 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 cell division, 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 cell division 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 cell division 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 cell division, 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 cell division, 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 cell division 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 cell division from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a cell division, 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 cell division, 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 cell division 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 cell division 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 cell division between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a cell division, 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 cell division, 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 cell division 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 cell division, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a cell division 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 cell division, 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 cell division, 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 cell division is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "process-and-outcome", "name": "Process, inputs and outcome", "description": "How a cell division proceeds, what it needs and what it leaves behind.", "rationale": "An activity is known by its steps and its results, and both have to be recordable while it is still running.", "layers": [ { "id": "steps-and-sequence", "name": "Steps and sequence", "description": "The steps of a cell division, their order and what may run in parallel.", "findings": [ { "id": "steps-and-preconditions", "name": "Steps, preconditions and completion", "description": "What has to be true before each step of a cell division and what marks it done.", "questions": [ { "id": "steps-and-preconditions-q01", "text": "What identifies and describes a step of a cell division, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "steps-and-preconditions-q02", "text": "Who or what asserted this about a step of a cell division, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "steps-and-preconditions-q03", "text": "What may an agent decide or do once a step of a cell division is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "inputs-and-results", "name": "Inputs, resources and results", "description": "What a cell division consumes and what it produces.", "findings": [ { "id": "inputs-and-outputs", "name": "Inputs, outputs and side effects", "description": "The resources a cell division takes and the results it leaves, wanted or not.", "questions": [ { "id": "inputs-and-outputs-q01", "text": "What identifies and describes the inputs and results of a cell division, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "inputs-and-outputs-q02", "text": "Who or what asserted this about the inputs and results of a cell division, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "inputs-and-outputs-q03", "text": "What may an agent decide or do once the inputs and results of a cell division is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What cell division is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of cell division are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is cell division operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of cell division and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of cell division?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as cell division?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a cell division 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 cell division and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a cell division, 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 cell division, 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 cell division 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 cell division is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a cell division, 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 cell division, 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 cell division is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 6, "layers": 12, "findings": 14, "questions": 38 } } } }