{
  "url": "https://dantelabs.com/traits/abnormal-2nd-finger-morphology",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "abnormal-2nd-finger-morphology",
    "id": "HP:0004100",
    "name": "Abnormality of index finger",
    "label": "Abnormal 2nd finger morphology",
    "definition": "An anomaly of the second finger, also known as the index finger.",
    "synonyms": [
      "Abnormality of the 2nd finger"
    ],
    "systems": [
      {
        "slug": "abnormality-of-limbs",
        "name": "Abnormality of limbs",
        "url": "https://dantelabs.com/traits/abnormality-of-limbs"
      },
      {
        "slug": "abnormality-of-the-musculoskeletal-system",
        "name": "Abnormality of the musculoskeletal system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculoskeletal-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-finger-morphology",
        "name": "Abnormalities of the fingers",
        "url": "https://dantelabs.com/traits/abnormal-finger-morphology"
      }
    ],
    "narrower": [
      {
        "slug": "deviation-of-the-2nd-finger",
        "name": "Displaced index finger",
        "genes": 2,
        "url": "https://dantelabs.com/traits/deviation-of-the-2nd-finger"
      },
      {
        "slug": "abnormality-of-the-phalanges-of-the-2nd-finger",
        "name": "Abnormal index finger bones",
        "genes": 0,
        "url": "https://dantelabs.com/traits/abnormality-of-the-phalanges-of-the-2nd-finger"
      },
      {
        "slug": "abnormality-of-the-epiphyses-of-the-2nd-finger",
        "name": "Abnormality of the end part of the index finger bone",
        "genes": 0,
        "url": "https://dantelabs.com/traits/abnormality-of-the-epiphyses-of-the-2nd-finger"
      },
      {
        "slug": "aplasia-hypoplasia-of-the-2nd-finger",
        "name": "Absent/small index finger",
        "genes": 0,
        "url": "https://dantelabs.com/traits/aplasia-hypoplasia-of-the-2nd-finger"
      },
      {
        "slug": "polydactyly-affecting-the-2nd-finger",
        "name": "Extra index finger",
        "genes": 0,
        "url": "https://dantelabs.com/traits/polydactyly-affecting-the-2nd-finger"
      },
      {
        "slug": "flexion-contracture-of-the-2nd-finger",
        "name": "Flexion contracture of the 2nd finger",
        "genes": 0,
        "url": "https://dantelabs.com/traits/flexion-contracture-of-the-2nd-finger"
      }
    ],
    "genes": []
  }
}