{
  "id": 8104,
  "label": "osteoarthritis, hand",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0006632",
  "properties": {
    "xrefs": [
      "EFO:1000789",
      "MEDGEN:472992",
      "UMLS:C0263746"
    ],
    "categories": [
      {
        "ref": "MONDO:0002081",
        "name": "musculoskeletal system disorder"
      }
    ],
    "definition": "Osteoarthritis of the hands usually happens as part of nodal osteoarthritis (a form of osteoarthritis that runs in families). This mainly affects women and often starts in your 40s or 50s, around the menopause (the time when menstruation ends and it’s no longer possible to have children)."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 6899,
      "label": "osteoarthritis",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7223
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:8398",
          "HP:0002758",
          "ICD10CM:M15-M19",
          "ICD10CM:M19",
          "ICD9:715.3",
          "MEDGEN:45244",
          "MESH:D010003",
          "NCIT:C3293",
          "SCTID:396275006",
          "UMLS:C0029408",
          "icd11.foundation:558562409"
        ],
        "synonyms": [
          "degenerative joint disease"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          }
        ],
        "definition": "A noninflammatory degenerative joint disease occurring chiefly in older persons, characterized by degeneration of the articular cartilage, hypertrophy of bone at the margins and changes in the synovial membrane. It is accompanied by pain and stiffness, particularly after prolonged activity."
      },
      "child_count": 5,
      "reference_id": "MONDO:0005178"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 6899,
      "label": "osteoarthritis"
    }
  ]
}