{
  "url": "https://dantelabs.com/traits/abnormal-nipple-morphology",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "abnormal-nipple-morphology",
    "id": "HP:0004404",
    "name": "Abnormality of the nipple",
    "label": "Abnormal nipple morphology",
    "definition": "An abnormality of the nipple.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-breast",
        "name": "Abnormality of the breast",
        "url": "https://dantelabs.com/traits/abnormality-of-the-breast"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-breast-morphology",
        "name": "Abnormal breast morphology",
        "url": "https://dantelabs.com/traits/abnormal-breast-morphology"
      }
    ],
    "narrower": [
      {
        "slug": "supernumerary-nipple",
        "name": "Accessory nipple",
        "genes": 57,
        "url": "https://dantelabs.com/traits/supernumerary-nipple"
      },
      {
        "slug": "inverted-nipples",
        "name": "Inverted nipples",
        "genes": 55,
        "url": "https://dantelabs.com/traits/inverted-nipples"
      },
      {
        "slug": "aplasia-hypoplasia-of-the-nipples",
        "name": "Absent/small nipples",
        "genes": 21,
        "url": "https://dantelabs.com/traits/aplasia-hypoplasia-of-the-nipples"
      },
      {
        "slug": "low-set-nipples",
        "name": "Low-set nipples",
        "genes": 13,
        "url": "https://dantelabs.com/traits/low-set-nipples"
      },
      {
        "slug": "prominent-nipples",
        "name": "Prominent nipples",
        "genes": 2,
        "url": "https://dantelabs.com/traits/prominent-nipples"
      },
      {
        "slug": "abnormal-intermamillary-distance",
        "name": "Abnormal intermamillary distance",
        "genes": 0,
        "url": "https://dantelabs.com/traits/abnormal-intermamillary-distance"
      }
    ],
    "genes": [
      {
        "slug": "ikbkg",
        "symbol": "IKBKG",
        "hgnc": "HGNC:5961",
        "name": "inhibitor of nuclear factor kappa B kinase regulatory subunit gamma",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ikbkg"
      }
    ]
  }
}