{
  "id": 25573,
  "label": "nocturnal asthma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0956979",
  "properties": {
    "xrefs": [
      "DOID:0080826",
      "MEDGEN:696950",
      "UMLS:C1273489"
    ],
    "categories": [
      {
        "ref": "MONDO:0005087",
        "name": "respiratory system disorder"
      }
    ],
    "definition": "A chronic asthma that is characterized by significant decline in pulmonary function and increase of airway inflammation at night. During sleep, recumbent posture causes a reduction in the lung volumes, respiratory muscle tone, and lung compliance. The overnight physiological abnormalities include: increased airway inflammation and decreased steroid responsiveness, increased pulmonary capillary blood volume, functional differences in blood/air volume ratios and mechanical coupling of the parenchyma to the airways."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 25187,
      "label": "chronic asthma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6720
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0080809",
          "MEDGEN:1843404",
          "UMLS:C0877430"
        ],
        "synonyms": [
          "adult-onset severe asthma",
          "persistent mild asthma",
          "persistent moderate asthma",
          "persistent severe asthma"
        ],
        "categories": [
          {
            "ref": "MONDO:0005087",
            "name": "respiratory system disorder"
          }
        ],
        "definition": "An asthma that is characterized by the development of persistent airway inflammation and recurrent attacks of breathlessness and wheezing, which vary in severity and frequency."
      },
      "child_count": 5,
      "reference_id": "MONDO:0850282"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 25187,
      "label": "chronic asthma"
    }
  ]
}