{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.hypogastrium","code":"thing-q3144280","url":"https://ver.cy/models/thing/q3144280/","name":"hypogastrium","alternateNames":[],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.OBJ"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The hypogastrium is the lower central region of the abdomen in the nine-region anatomical scheme, lying below the umbilical region and between the right and left inguinal regions.","purpose":"Enable an agent to recognise the hypogastrium, localise observations within it, and preserve the distinction between a body region and the structures or conditions associated with it.","scope":{"in":["Identification of the lower central region in the nine-region abdominal scheme","Landmarks and conventions used to delimit an individual's hypogastrium","Relationships to neighbouring abdominal regions and underlying structures","Location, extent and timing of observations attributed to the region","Uncertainty when translating regional descriptions into precise anatomical locations"],"out":["Whole-abdomen and pelvic-cavity models","Anatomy and physiology of individual underlying organs","Disease definitions and diagnostic criteria","Treatment selection and procedural technique","Hypogastric nerves, plexuses and vessels as independently modelled structures"],"boundaries":[]},"distinguishingFeatures":["Occupies the lower central position in the nine-region abdominal scheme, below the umbilical region and between the iliac regions. [Medical Terminology](https://www.ncbi.nlm.nih.gov/books/NBK607445/?report=printable)","Denotes a body region rather than a discrete organ, tissue or enclosed cavity.","Requires a regional boundary convention; an isolated point below the umbilicus does not by itself establish the region's full extent.","Does not identify either lower abdominal quadrant exclusively; quadrant descriptions require a separate mapping.","The adjective 'hypogastric' in a nerve or vessel name does not establish that the named structure is this registry entity."],"structure":{"bundles":[{"id":"regional-identity","name":"Regional identity","description":"Establish what the hypogastrium denotes and resolve competing uses of its name.","layers":[{"id":"anatomical-kind","name":"Anatomical kind","description":"Represent the hypogastrium as a regional body part.","findings":[{"id":"lower-central-region","name":"Lower central region","description":"The hypogastric region belongs to the nine-region abdominal scheme. [Abdominal Examination](https://www.ncbi.nlm.nih.gov/books/NBK459220/figure/article-17014.image.f1/)","questions":[{"text":"Does the source use hypogastrium for the lower central region of the nine-region abdomen?","id":"lower-central-region-q01","kind":"definition"},{"text":"Is this record about the anatomical kind or the region of a particular person or specimen?","id":"lower-central-region-q02","kind":"boundary"}]}]},{"id":"terminology-resolution","name":"Terminology resolution","description":"Preserve the meaning of regional labels without creating unsupported registry equivalences.","findings":[{"id":"label-equivalence","name":"Label equivalence","description":"Treat pubic, suprapubic and lower-abdominal labels as terms whose intended extent must be checked against the source.","questions":[{"text":"Does this source explicitly equate its label with the hypogastrium, or describe a smaller or larger area?","id":"label-equivalence-q01","kind":"definition"},{"text":"Which anatomical reference supports the proposed label mapping?","id":"label-equivalence-q02","kind":"provenance"},{"text":"Does 'hypogastric' qualify a nerve, plexus or vessel rather than name the region?","id":"label-equivalence-q03","kind":"boundary"}]}]}]},{"id":"boundaries-and-localisation","name":"Boundaries and localisation","description":"Make regional placement reproducible through landmarks and explicit conventions.","layers":[{"id":"partition-landmarks","name":"Partition landmarks","description":"Record the reference lines and planes used to delimit the lower central region.","findings":[{"id":"declared-boundary-convention","name":"Declared boundary convention","description":"One described nine-region convention uses paired sagittal divisions and transverse planes at the subcostal level and iliac tubercles; record the convention actually used. [Anatomy, Abdomen and Pelvis: Abdomen](https://www.ncbi.nlm.nih.gov/books/NBK553104/?report=printable)","questions":[{"text":"Which landmarks define the superior, lateral and inferior limits in this reference?","id":"declared-boundary-convention-q01","kind":"boundary"},{"text":"Were those landmarks identified on the individual or assumed from a schematic diagram?","id":"declared-boundary-convention-q02","kind":"provenance"},{"text":"What uncertainty applies where landmarks are obscured or altered?","id":"declared-boundary-convention-q03","kind":"measurement"}]}]},{"id":"regional-mapping","name":"Regional mapping","description":"Relate the hypogastrium to adjacent regions and alternative location systems.","findings":[{"id":"observation-footprint","name":"Observation footprint","description":"Store the actual point or area of an observation and preserve extensions across regional boundaries.","questions":[{"text":"Is the observation central, offset to one side, or spread across both sides of the midline?","id":"observation-footprint-q01","kind":"measurement"},{"text":"Does its footprint extend into the umbilical or either iliac region?","id":"observation-footprint-q02","kind":"boundary"},{"text":"What spatial information would be lost by translating this observation into a quadrant label?","id":"observation-footprint-q03","kind":"boundary"}]}]}]},{"id":"depth-and-anatomical-relations","name":"Depth and anatomical relations","description":"Separate regional surface localisation from deeper anatomical associations.","layers":[{"id":"surface-and-wall","name":"Surface and wall","description":"Identify whether an observation concerns the surface, abdominal wall or an unspecified deeper location.","findings":[{"id":"depth-attribution","name":"Depth attribution","description":"Attach depth attribution to the supporting observation method rather than infer it from the regional label.","questions":[{"text":"Is the finding visible at the surface, attributed to the abdominal wall, or localised more deeply?","id":"depth-attribution-q01","kind":"definition"},{"text":"What examination or imaging evidence supports the stated depth?","id":"depth-attribution-q02","kind":"provenance"}]}]},{"id":"visceral-projection","name":"Visceral projection","description":"Represent underlying structures as contextual spatial relationships.","findings":[{"id":"structure-specific-evidence","name":"Structure-specific evidence","description":"Candidate relationships involving the bladder, bowel or reproductive organs require individual context and must distinguish expected anatomy from observed anatomy.","questions":[{"text":"Which underlying structure is actually identified, and which is only proposed from regional location?","id":"structure-specific-evidence-q01","kind":"provenance"},{"text":"Were bladder filling, pregnancy where applicable, or altered anatomy documented when interpreting the relationship?","id":"structure-specific-evidence-q02","kind":"boundary"},{"text":"Does the evidence show projection beneath the region, extension into it, or merely a suspected relationship?","id":"structure-specific-evidence-q03","kind":"definition"}]}]}]},{"id":"regional-observations","name":"Regional observations","description":"Capture symptoms and signs attributed to the hypogastrium without turning localisation into diagnosis.","layers":[{"id":"reported-symptoms","name":"Reported symptoms","description":"Record the person's description and indicated location separately from examiner interpretation.","findings":[{"id":"symptom-localisation","name":"Symptom localisation","description":"Model pain, pressure or other reported sensations as observations associated with the region.","questions":[{"text":"Where did the person indicate the sensation, and how closely does that area match the declared hypogastric boundaries?","id":"symptom-localisation-q01","kind":"measurement"},{"text":"What onset, duration, intensity scale and spread were reported?","id":"symptom-localisation-q02","kind":"measurement"},{"text":"Was the regional label supplied by the person, an examiner or a later interpretation?","id":"symptom-localisation-q03","kind":"provenance"}]}]},{"id":"observed-signs","name":"Observed signs","description":"Record examination and imaging observations with their acquisition context.","findings":[{"id":"sign-evidence","name":"Sign evidence","description":"Keep tenderness, visible changes, swelling or a reported mass distinct, including whether each was assessed.","questions":[{"text":"What sign was observed, at what location, and using which method?","id":"sign-evidence-q01","kind":"provenance"},{"text":"What extent or dimensions were recorded, with which units?","id":"sign-evidence-q02","kind":"measurement"},{"text":"Does an empty field mean absent, not assessed or indeterminate?","id":"sign-evidence-q03","kind":"definition"}]}]}]},{"id":"comparison-and-use","name":"Comparison and use","description":"Support longitudinal interpretation and appropriate use of hypogastric localisation.","layers":[{"id":"longitudinal-comparability","name":"Longitudinal comparability","description":"Establish whether observations refer to comparable sites and circumstances.","findings":[{"id":"matched-regional-observations","name":"Matched regional observations","description":"Compare regional observations only with their boundary convention, body position, method and timing available.","questions":[{"text":"Do the observations use the same landmarks and cover the same hypogastric area?","id":"matched-regional-observations-q01","kind":"boundary"},{"text":"Which changes in posture, method or relevant physiological context limit comparison?","id":"matched-regional-observations-q02","kind":"measurement"},{"text":"Should the agent report a change, or first request clarification of the localisation?","id":"matched-regional-observations-q03","kind":"action"}]}]},{"id":"interpretation-handoff","name":"Interpretation handoff","description":"Define what regional evidence supports and what requires additional assessment.","findings":[{"id":"localisation-limits","name":"Localisation limits","description":"A hypogastric location supports annotation and evidence retrieval; attributing cause or selecting an intervention requires additional evidence.","questions":[{"text":"Can the requested task be completed with a regional annotation, or does it require a specific tissue, organ or diagnosis?","id":"localisation-limits-q01","kind":"action"},{"text":"Which unresolved anatomical relationship must be clarified before the intended action?","id":"localisation-limits-q02","kind":"boundary"},{"text":"Which clinical assessment or procedure model should receive the observation and its uncertainty?","id":"localisation-limits-q03","kind":"action"}]}]}]},{"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.","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.","questions":[{"text":"Which of these check these first hold for the sense of hypogastrium this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-identifiers","name":"Identifiers and schemes","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these identifiers and schemes hold for the sense of hypogastrium this model covers, and on what evidence?","id":"evidence-identifiers-q01","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.","questions":[{"text":"Which of these standards and regulation hold for the sense of hypogastrium this model covers, and on what evidence?","id":"evidence-standards-and-regulation-q01","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.","questions":[{"text":"Which of these real-world use hold for the sense of hypogastrium this model covers, and on what evidence?","id":"evidence-real-world-use-q01","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.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of hypogastrium this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Use the term to describe the location of symptoms or findings in clinical notes.","Explain the abdominal regions in general terms."],"mustNot":["Diagnose the cause of lower abdominal pain without clinical assessment.","Advise a person to ignore severe or worsening lower abdominal pain.","Share a person's abdominal symptoms or images without consent."],"requiresHuman":["Advising whether a person with abdominal pain needs urgent care."]},"ethics":{"considerations":["Lower abdominal pain can signal emergencies such as ectopic pregnancy or appendicitis.","Pelvic symptoms are intimate and sometimes stigmatized."],"affectedParties":["Patients with abdominal pain","Pregnant people","Clinicians"]},"owners":{"steward":"Nobody: a region of a person's body; clinicians answer for its examination.","roles":[],"masterSystems":[]},"relations":[{"target":"Q66511773","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.hypogastrium","Wikidata: Q3144280 (https://www.wikidata.org/wiki/Q3144280)"]},"properties":{"applicability":"required","items":["Regional scheme: Nine-region abdomen; explicitly documented alternative; unspecified","Boundary convention: Named anatomical reference with landmark definitions; locally specified convention; unknown","Individual body association: Reference to the person, specimen or anatomical representation","Landmark-relative extent: Coordinates or distances in mm or cm, with landmarks, orientation and acquisition method","Observation depth: Surface; abdominal wall; deeper projection; unspecified","Assessment coverage: Not assessed; partially assessed; assessed with stated method; indeterminate","Underlying structure association: Structure reference with expected, observed or uncertain projection","Localisation confidence: Confident; approximate; disputed; unlocalisable"]},"recognition":{"applicability":"required","items":["The central area of the lower abdomen below the navel and above the pubic bone."]},"capabilities":{"applicability":"required","items":["Annotate the hypogastrium on an oriented body diagram using a declared boundary convention.","Attach reported symptoms and observed signs to a point or area within the region.","Compare repeated regional observations while accounting for posture and acquisition context.","Link underlying structures when their relationship is documented.","Flag ambiguous regional labels and request more precise localisation.","Route recorded findings to an appropriate clinical assessment model without inferring a diagnosis from location alone."]},"hazards":{"applicability":"required","items":["Pain here can be dismissed when it signals a surgical or gynaecological emergency."]},"interfaces":{"applicability":"required","items":["Terminologia Anatomica, Federative International Programme for Anatomical Terminology."]},"context":{"applicability":"required","items":["The hypogastrium is used in anatomy teaching, physical examination and clinical documentation to locate observations in the lower central abdomen.","It provides a regional reference for describing symptoms or findings without identifying a particular underlying organ or diagnosis."]}},"sources":[{"title":"Wikidata item Q3144280: hypogastrium","url":"https://www.wikidata.org/wiki/Q3144280","note":"identity and sense of the item"},{"title":"Wikipedia: Hypogastrium","url":"https://en.wikipedia.org/wiki/Hypogastrium","note":"general description of the item"}],"openQuestions":["Which anatomical authority and exact inferior boundary should Vercy adopt for the default hypogastrium definition?","Under which documented conventions are hypogastric, pubic and suprapubic region equivalent, and when do their extents differ?","Should this registry entry remain explicitly human, or include separately referenced comparative-anatomy usages?","What evidence is needed to represent changes in underlying organ projection across age, bladder filling, pregnancy and altered anatomy?","Does an existing Vercy world model already cover this anatomical region, requiring a registry link instead of a separate publication?"],"resources":{"spec":"/models/things/publications/thing-q3144280/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q3144280/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T10:23:00Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:29+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}