{
  "id": 29243,
  "label": "vertebral artery dissection",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:1040011",
  "properties": {
    "xrefs": [
      "GARD:0027438",
      "MEDGEN:137904",
      "Orphanet:689001",
      "UMLS:C0338586"
    ],
    "synonyms": [
      "VAD"
    ],
    "categories": [
      {
        "ref": "MONDO:0004995",
        "name": "cardiovascular disorder"
      }
    ],
    "definition": "A human disorder which results from a tear in one of the major cervicocerebral arteries, allowing blood to enter the wall of the artery and split its layers. Pathogenesis typically leads to either stenosis or aneurysmal dilatation of the vessel."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 7644,
      "label": "cervical artery dissection",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        2933
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "EFO:1000059",
          "MEDGEN:1709179",
          "UMLS:C5396999"
        ],
        "categories": [
          {
            "ref": "MONDO:0004995",
            "name": "cardiovascular disorder"
          }
        ],
        "definition": "A tear within the wall of any of the arteries of the neck (carotid artery or vertebral artery) and that allows blood to separate the wall layers. By separating a portion of the wall of the artery (a layer of the Tunica intima or tunica media), a dissection creates two lumens or passages within the vessel, the native or true lumen, and the \"false lumen\" created by the new space within the wall of the artery."
      },
      "child_count": 2,
      "reference_id": "MONDO:0006061"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 7644,
      "label": "cervical artery dissection"
    }
  ]
}