{
  "id": 23143,
  "label": "negative rheumatoid factor polyarthritis",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0043152",
  "properties": {
    "xrefs": [
      "MEDGEN:444150",
      "MESH:C538347",
      "NANDO:2201057",
      "UMLS:C2931825"
    ],
    "synonyms": [
      "RF-ve CP",
      "rheumatoid factor negative erosive chronic polyarthritis",
      "rheumatoid factor-negative polyarthritis"
    ],
    "categories": [
      {
        "ref": "MONDO:0002081",
        "name": "musculoskeletal system disorder"
      }
    ]
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "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": [],
  "roots": [
    {
      "id": 7223,
      "label": "arthritic joint disease"
    }
  ]
}