{
  "id": 9672,
  "label": "retinal arterial tortuosity",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0008373",
  "properties": {
    "xrefs": [
      "DOID:0111547",
      "GARD:0016693",
      "HP:0001136",
      "MEDGEN:140840",
      "OMIM:180000",
      "Orphanet:75326",
      "UMLS:C0423401"
    ],
    "synonyms": [
      "retinal arterial tortuosity",
      "retinal arterial tortuosity (disease)",
      "retinal arteriolar tortuosity",
      "retinal haemorrhage with vascular tortuosity",
      "retinal hemorrhage with vascular tortuosity",
      "tortuosity of retinal arteries",
      "RATOR",
      "retinal arteries, tortuosity OF"
    ],
    "categories": [
      {
        "ref": "MONDO:0004995",
        "name": "cardiovascular disorder"
      }
    ]
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 2933,
      "label": "arterial disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7065
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0050828",
          "ICD9:447.8",
          "ICD9:447.9",
          "MEDGEN:208875",
          "NCIT:C35317",
          "SCTID:359557001",
          "UMLS:C0852949"
        ],
        "synonyms": [
          "arterial disease",
          "arterial disorder",
          "arteriopathy",
          "artery disease",
          "artery disease or disorder",
          "disease of artery",
          "disease or disorder of artery",
          "disorder of artery"
        ],
        "categories": [
          {
            "ref": "MONDO:0004995",
            "name": "cardiovascular disorder"
          }
        ],
        "definition": "An impairment of the structure or function of the blood vessels which carry blood away from the heart."
      },
      "child_count": 30,
      "reference_id": "MONDO:0000473"
    },
    {
      "id": 25047,
      "label": "COL4A1-related disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        26572
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0028064"
        ],
        "synonyms": [
          "COL4A1-related disorders"
        ],
        "definition": "The spectrum of COL4A1-related disorders includes small-vessel brain disease of varying severity including porencephaly, variably associated with eye defects (retinal arterial tortuosity, Axenfeld-Rieger anomaly, cataract) and systemic findings (kidney involvement, muscle cramps, cerebral aneurysms, Raynaud phenomenon, cardiac arrhythmia, and hemolytic anemia)."
      },
      "child_count": 5,
      "reference_id": "MONDO:0800461"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 2933,
      "label": "arterial disorder"
    },
    {
      "id": 25047,
      "label": "COL4A1-related disorder"
    }
  ]
}