{
  "id": 4013,
  "label": "lacrimal duct obstruction",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0001833",
  "properties": {
    "xrefs": [
      "DOID:13929",
      "MEDGEN:226915",
      "MESH:D007767",
      "SCTID:416920000",
      "UMLS:C1281931"
    ],
    "categories": [
      {
        "ref": "MONDO:0002022",
        "name": "disorder of orbital region"
      },
      {
        "ref": "MONDO:0024458",
        "name": "disorder of visual system"
      }
    ],
    "definition": "Blockage of the tear duct."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 23493,
      "label": "nasolacrimal duct disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4032
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "MEDGEN:636806",
          "SCTID:95767006",
          "UMLS:C0521744"
        ],
        "synonyms": [
          "disease of nasolacrimal duct",
          "disease or disorder of nasolacrimal duct",
          "disorder of nasolacrimal duct",
          "nasolacrimal duct disease",
          "nasolacrimal duct disease or disorder"
        ],
        "categories": [
          {
            "ref": "MONDO:0002022",
            "name": "disorder of orbital region"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "A disease or disorder that involves the nasolacrimal duct."
      },
      "child_count": 4,
      "reference_id": "MONDO:0044984"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 23493,
      "label": "nasolacrimal duct disorder"
    }
  ]
}