{
  "id": 21316,
  "label": "polyarticular arthritis",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0024280",
  "properties": {
    "xrefs": [
      "MEDGEN:56408",
      "NCIT:C26996",
      "SCTID:416956002",
      "UMLS:C0162323"
    ],
    "synonyms": [
      "polyarthritis",
      "polyarticular arthritis"
    ],
    "categories": [
      {
        "ref": "MONDO:0002081",
        "name": "musculoskeletal system disorder"
      }
    ],
    "definition": "An arthritis affecting five or more separate joints."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 2,
  "parents": [
    {
      "id": 7223,
      "label": "arthritic joint disease",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4665,
        8264,
        20399
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:848",
          "EFO:0005856",
          "MEDGEN:2043",
          "MESH:D001168",
          "NCIT:C2883",
          "SCTID:3723001",
          "UMLS:C0003864",
          "Wikipedia:Arthritis"
        ],
        "synonyms": [
          "arthritis",
          "inflammation of skeletal joint",
          "skeletal joint inflammation",
          "inflammatory disorder of joint"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          }
        ],
        "definition": "An inflammatory process affecting a joint. Causes include infection, autoimmune processes, degenerative processes, and trauma. Signs and symptoms may include swelling around the affected joint and pain."
      },
      "child_count": 39,
      "reference_id": "MONDO:0005578"
    }
  ],
  "children": [
    {
      "id": 9683,
      "label": "rheumatoid nodulosis",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        21316
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "MEDGEN:19781",
          "MESH:D012218",
          "OMIM:180350",
          "SCTID:402426007",
          "SCTID:402427003",
          "UMLS:C0035450"
        ],
        "synonyms": [
          "accelerated rheumatoid nodulosis",
          "rheumatoid nodulosis"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          }
        ],
        "definition": "A particular variant of polyarthritis associated with early manifestations of palindromic rheumatism, radiologic subchondral bone cysts, and subcutaneous rheumatoid nodules."
      },
      "child_count": 0,
      "reference_id": "MONDO:0008384"
    },
    {
      "id": 21317,
      "label": "juvenile chronic polyarthritis",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        21316
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "MEDGEN:140816",
          "NCIT:C26979",
          "UMLS:C0409667"
        ],
        "synonyms": [
          "juvenile chronic polyarthritis"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          }
        ],
        "definition": "A group of conditions used to describe polyarthritis occurring in children."
      },
      "child_count": 0,
      "reference_id": "MONDO:0024281"
    }
  ],
  "roots": [
    {
      "id": 7223,
      "label": "arthritic joint disease"
    }
  ]
}