{
  "id": 17523,
  "label": "hypnic headache",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0017181",
  "properties": {
    "xrefs": [
      "GARD:0010796",
      "HP:0012459",
      "ICD10CM:G44.81",
      "ICD9:339.81",
      "MEDGEN:156012",
      "MESH:D051270",
      "Orphanet:276429",
      "SCTID:122711000119109",
      "UMLS:C0752150",
      "icd11.foundation:468065426"
    ],
    "synonyms": [
      "hypnic headache",
      "hypnic headache (disease)"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      }
    ],
    "definition": "Conditions in which the primary symptom is headache and the headache cannot be attributed to any known causes."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 2,
  "parents": [
    {
      "id": 20382,
      "label": "headache disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        24453
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "EFO:0009550",
          "MEDGEN:140743",
          "MESH:D020773",
          "SCTID:230461009",
          "UMLS:C0393735"
        ],
        "synonyms": [
          "headache disorder",
          "cephalgia syndrome",
          "cephalgia syndromes",
          "chronic daily headache",
          "chronic daily headaches",
          "chronic headache",
          "chronic headaches",
          "daily headache, chronic",
          "daily headaches, chronic",
          "headache syndrome",
          "headache syndromes",
          "headache, chronic",
          "headache, chronic daily",
          "headache, intractable",
          "headaches, chronic",
          "headaches, chronic daily",
          "headaches, intractable",
          "intractable headache",
          "intractable headaches",
          "syndrome, headache"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Various conditions with the symptom of headache. Headache disorders are classified into major groups, such as primary headache disorders (based on characteristics of their headache symptoms) and secondary headache disorders (based on their etiologies). (International Classification of Headache Disorders, 2nd ed. Cephalalgia 2004: suppl 1)"
      },
      "child_count": 4,
      "reference_id": "MONDO:0021146"
    }
  ],
  "children": [
    {
      "id": 6973,
      "label": "migraine disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7209,
        17523,
        23165
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:6364",
          "ICD10CM:G43",
          "ICD9:346",
          "ICD9:346.9",
          "MEDGEN:57451",
          "MESH:D008881",
          "NCIT:C89715",
          "UMLS:C0149931",
          "icd11.foundation:669367341"
        ],
        "synonyms": [
          "migraine",
          "migraine headache"
        ],
        "categories": [
          {
            "ref": "MONDO:0004995",
            "name": "cardiovascular disorder"
          },
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A common, severe type of vascular headache often associated with increased sympathetic activity, resulting in nausea, vomiting, and light sensitivity."
      },
      "child_count": 6,
      "reference_id": "MONDO:0005277"
    },
    {
      "id": 16344,
      "label": "trigeminal autonomic cephalalgia",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        5448,
        17523,
        23165
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0020017",
          "ICD9:339.09",
          "MEDGEN:327950",
          "MESH:D051303",
          "NCIT:C117074",
          "Orphanet:157843",
          "SCTID:449814007",
          "UMLS:C1565172",
          "icd11.foundation:607078588"
        ],
        "categories": [
          {
            "ref": "MONDO:0004995",
            "name": "cardiovascular disorder"
          },
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A headache disorder characterized by episodes of unilateral, short lasting pain and associated ipsilateral cranial autonomic symptoms."
      },
      "child_count": 12,
      "reference_id": "MONDO:0015530"
    }
  ],
  "roots": [
    {
      "id": 20382,
      "label": "headache disorder"
    }
  ]
}