{
  "url": "https://dantelabs.com/traits/abnormal-b-cell-morphology",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "abnormal-b-cell-morphology",
    "id": "HP:0002846",
    "name": "Abnormal B cell morphology",
    "definition": "A structural abnormality of B cells.",
    "synonyms": [
      "Abnormal B cells",
      "Abnormality of B cells"
    ],
    "systems": [
      {
        "slug": "abnormality-of-blood-and-blood-forming-tissues",
        "name": "Abnormality of blood and blood-forming tissues",
        "url": "https://dantelabs.com/traits/abnormality-of-blood-and-blood-forming-tissues"
      },
      {
        "slug": "abnormality-of-the-immune-system",
        "name": "Abnormality of the immune system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-immune-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-lymphocyte-morphology",
        "name": "Abnormal lymphocyte morphology",
        "url": "https://dantelabs.com/traits/abnormal-lymphocyte-morphology"
      }
    ],
    "narrower": [
      {
        "slug": "abnormal-total-b-cell-count",
        "name": "Abnormal total B cell count",
        "genes": 2,
        "url": "https://dantelabs.com/traits/abnormal-total-b-cell-count"
      },
      {
        "slug": "abnormal-b-cell-subset-distribution",
        "name": "Abnormal B cell subset distribution",
        "genes": 0,
        "url": "https://dantelabs.com/traits/abnormal-b-cell-subset-distribution"
      }
    ],
    "genes": [
      {
        "slug": "tbx2",
        "symbol": "TBX2",
        "hgnc": "HGNC:11597",
        "name": "T-box transcription factor 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tbx2"
      }
    ]
  }
}