{
  "id": 17835,
  "label": "radio-ulnar synostosis, unilateral",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0017554",
  "properties": {
    "xrefs": [
      "GARD:0021221",
      "Orphanet:295217",
      "icd11.foundation:2026644976"
    ],
    "synonyms": [
      "radio-ulnar fusion, unilateral"
    ],
    "categories": [
      {
        "ref": "MONDO:0002081",
        "name": "musculoskeletal system disorder"
      }
    ]
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 18161,
      "label": "congenital radioulnar synostosis",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        3632
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:9827",
          "GARD:0010876",
          "HP:0002974",
          "ICD9:755.53",
          "MEDGEN:57861",
          "MESH:C562408",
          "Orphanet:3269",
          "SCTID:33313004",
          "UMLS:C0158761",
          "icd11.foundation:1098526181"
        ],
        "synonyms": [
          "radioulnar fusion",
          "radioulnar synostosis",
          "radioulnar synostosis (disease)",
          "proximal, smooth fusion of 2-6 CM between the radius and ulna and absent head of the radius",
          "radial-ulnar synostosis",
          "radio-ulnar synostosis",
          "radio-ulnar synostosis type 1"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          }
        ],
        "definition": "Congenital radioulnar synostosis is a rare bone disorder that may be isolated or associated with other disorders and that is characterized by failure of segmentation of the radius and ulna during embryological development, causing limited rotational movements of the forearm, which may lead to difficulties with some activities of daily living."
      },
      "child_count": 3,
      "reference_id": "MONDO:0017985"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 18161,
      "label": "congenital radioulnar synostosis"
    }
  ]
}