{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.cartilage","code":"thing-q502730","url":"https://ver.cy/models/thing/q502730/","name":"cartilage","alternateNames":["Cartilago cordis","laryngeal cartilages","nasal cartilage","epiphysial cartilage","hyaline cartilage","elastic cartilage","Lesser alar cartilages","cartilage of external ear","set of costal cartilages","set of thyroid cartilages","set of cricoid cartilages","set of arytenoid cartilages"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.LIV"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A firm, flexible connective tissue made of cells called chondrocytes within a matrix of collagen and proteoglycans, occurring as hyaline cartilage in joints, nose and airways, elastic cartilage in the ear and epiglottis, and fibrocartilage in intervertebral discs and menisci; it lacks blood vessels and heals slowly.","purpose":"Let an agent explain cartilage by type, structure, function, injury and ageing in general terms, route acute injuries to care, and avoid personal medical advice.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Firm yet flexible","Avascular","Heals slowly","Three main types"],"structure":{"bundles":[{"id":"types","name":"Types","description":"Kinds of cartilage.","layers":[{"id":"kind","name":"Kind","description":"Which type.","findings":[{"id":"kind-finding","name":"Kind","description":"Cartilage type.","questions":[{"text":"Which type of cartilage is found here, and why?","kind":"definition"},{"text":"How does its structure suit its role?","kind":"definition"}]}]},{"id":"growth","name":"Growth","description":"Growth plates.","findings":[{"id":"growth-finding","name":"Growth","description":"Growth plates.","questions":[{"text":"How do growth plates allow bones to lengthen?","kind":"definition"},{"text":"When do they close?","kind":"provenance"}]}]}]},{"id":"injury","name":"Injury","description":"Damage.","layers":[{"id":"acute","name":"Acute","description":"Acute injury.","findings":[{"id":"acute-finding","name":"Acute","description":"Acute injury.","questions":[{"text":"Is there a joint injury with swelling, locking, giving way or inability to bear weight?","kind":"boundary"},{"text":"Should the person seek prompt medical assessment?","kind":"action"}]}]},{"id":"arthritis","name":"Arthritis","description":"Osteoarthritis.","findings":[{"id":"arthritis-finding","name":"Arthritis","description":"Osteoarthritis.","questions":[{"text":"What do health services say about osteoarthritis and cartilage, in general terms?","kind":"provenance"},{"text":"Is the user asking about their own treatment?","kind":"boundary"}]}]}]},{"id":"treatment","name":"Treatment","description":"Evidence.","layers":[{"id":"therapies","name":"Therapies","description":"Regenerative treatments.","findings":[{"id":"therapies-finding","name":"Therapies","description":"Regenerative treatments.","questions":[{"text":"Is this cartilage repair or regeneration treatment approved and evidence-based?","kind":"provenance"},{"text":"Which regulator evaluates it?","kind":"provenance"}]}]},{"id":"rehab","name":"Rehab","description":"Rehabilitation.","findings":[{"id":"rehab-finding","name":"Rehab","description":"Rehabilitation.","questions":[{"text":"What rehabilitation approaches do guidelines recommend, in general terms?","kind":"provenance"},{"text":"Who should supervise it?","kind":"action"}]}]}]},{"id":"senses","name":"Senses","description":"Disambiguation.","layers":[{"id":"food","name":"Food","description":"Cartilage in food.","findings":[{"id":"food-finding","name":"Food","description":"Food sense.","questions":[{"text":"Is cartilage as a food ingredient or supplement meant?","kind":"boundary"},{"text":"What evidence exists for supplement claims?","kind":"provenance"}]}]},{"id":"anatomy","name":"Anatomy","description":"Specific cartilages.","findings":[{"id":"anatomy-finding","name":"Anatomy","description":"Specific cartilages.","questions":[{"text":"Which specific cartilage is meant, such as laryngeal or nasal cartilage?","kind":"definition"},{"text":"Which anatomy reference shows it?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Explain cartilage types and their roles, citing medical sources.","Direct people with joint pain to a clinician."],"mustNot":["Diagnose cartilage damage in a person.","Promote unproven supplements or injections for cartilage repair.","Use human cartilage tissue without consent and approvals."],"requiresHuman":["Any treatment decision for a joint or cartilage injury."]},"ethics":{"considerations":["People in pain are targeted by unproven treatments; honesty protects them."],"affectedParties":["Patients with joint conditions","Athletes"]},"owners":{"steward":"Nobody owns the tissue type; each person's body is their own.","roles":[],"masterSystems":[]},"relations":[{"target":"Q25615","type":"parent","note":"registry parent class"},{"target":"connective tissue","type":"related","note":"category"},{"target":"tendon","type":"related","note":"related tissue"},{"target":"osteoarthritis","type":"related","note":"condition"},{"target":"joint","type":"related","note":"structure"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.cartilage","Wikidata: Q502730 (https://www.wikidata.org/wiki/Q502730)"]},"properties":{"applicability":"required","items":["Tissue thickness:  mm - Measure thickness through imaging or prepared tissue sections while recording the anatomical site and loading state.","Compressive modulus:  MPa - Determine compressive stiffness through mechanical testing with the cartilage type, loading rate and test conditions specified.","Water mass fraction:  % - Determine water content from wet and dry tissue masses using a stated laboratory method."]},"recognition":{"applicability":"required","items":["Glossy surfaces on joint ends","Flexible ear and nose tissue","Bone is harder and vascular","Smooth, whitish or bluish tissue, firm but flexible."]},"capabilities":{"applicability":"required","items":["describe cartilage types and locations","explain growth plates","understand common injuries and osteoarthritis in general terms","find reliable health information"]},"hazards":{"applicability":"required","items":["Missed ligament or meniscus injuries","Unproven cartilage regeneration treatments","Agents diagnosing joint problems"]},"interfaces":{"applicability":"required","items":["Clinical guidelines on joint injuries and osteoarthritis","Regulation of cell and tissue therapies"]},"context":{"applicability":"required","items":["Cushioning joints, supporting structures and bone growth.","hyaline cartilage","elastic cartilage","fibrocartilage","epiphyseal (growth plate) cartilage","articular cartilage"]}},"sources":[{"title":"Wikidata item Q502730: cartilage","url":"https://www.wikidata.org/wiki/Q502730","note":"identity and sense of the item"},{"title":"Wikipedia: Cartilage","url":"https://en.wikipedia.org/wiki/Cartilage","note":"general description of the item"}],"openQuestions":["Should cartilage types be separate entries?","How should anatomy ontologies be linked?","How should regenerative therapies be tracked?"],"resources":{"spec":"/models/things/publications/thing-q502730/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q502730/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T14:03:06Z","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 2026-10-07T10:10:31+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}