{
  "id": 4331,
  "label": "heel spur",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0002209",
  "properties": {
    "xrefs": [
      "DOID:210",
      "ICD10CM:M77.3",
      "ICD9:726.73",
      "MEDGEN:57853",
      "MESH:D036982",
      "SCTID:55260003",
      "UMLS:C0158322"
    ],
    "synonyms": [
      "calcaneus exostosis",
      "calcaneal spur"
    ],
    "categories": [
      {
        "ref": "MONDO:0002081",
        "name": "musculoskeletal system disorder"
      }
    ],
    "definition": "A bony outgrowth on the lower surface of the calcaneus. Though often presenting along with plantar fasciitis (fasciitis, plantar), they are not considered causally related."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 4304,
      "label": "exostosis",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4308
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:203",
          "ICD9:726.91",
          "MEDGEN:257035",
          "NCIT:C3029",
          "SCTID:235231000119100",
          "SCTID:416189003",
          "UMLS:C1442903"
        ],
        "synonyms": [
          "bone osteophyte",
          "exostosis",
          "orbital exostosis",
          "swimmer's exostosis"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          }
        ],
        "definition": "Non-neoplastic overgrowth of bone."
      },
      "child_count": 3,
      "reference_id": "MONDO:0002181"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 4304,
      "label": "exostosis"
    }
  ]
}