{
  "url": "https://dantelabs.com/traits/parietal-foramina",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "parietal-foramina",
    "id": "HP:0002697",
    "name": "Holes in parietal bones",
    "label": "Parietal foramina",
    "definition": "The presence of symmetrical and circular openings (foramina) in the parietal bone ranging in size from a few millimeters to several centimeters wide.",
    "synonyms": [
      "Openings in parietal bones",
      "Persistent foramina of the parietal bones",
      "Symmetrical, oval defects in the parietal bone",
      "Symmetrical, oval parietal bone defects"
    ],
    "systems": [
      {
        "slug": "abnormality-of-head-or-neck",
        "name": "Abnormality of head or neck",
        "url": "https://dantelabs.com/traits/abnormality-of-head-or-neck"
      },
      {
        "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-parietal-bone-morphology",
        "name": "Abnormal parietal bone morphology",
        "url": "https://dantelabs.com/traits/abnormal-parietal-bone-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "alx4",
        "symbol": "ALX4",
        "hgnc": "HGNC:450",
        "name": "ALX homeobox 4",
        "frequency": "obligate",
        "diseases": 4,
        "url": "https://dantelabs.com/genes/alx4"
      },
      {
        "slug": "msx2",
        "symbol": "MSX2",
        "hgnc": "HGNC:7392",
        "name": "msh homeobox 2",
        "frequency": "obligate",
        "diseases": 3,
        "url": "https://dantelabs.com/genes/msx2"
      },
      {
        "slug": "rnu12",
        "symbol": "RNU12",
        "hgnc": "HGNC:19380",
        "name": "RNA, U12 small nuclear",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/rnu12"
      },
      {
        "slug": "ext2",
        "symbol": "EXT2",
        "hgnc": "HGNC:3513",
        "name": "exostosin glycosyltransferase 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ext2"
      },
      {
        "slug": "phf21a",
        "symbol": "PHF21A",
        "hgnc": "HGNC:24156",
        "name": "PHD finger protein 21A",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/phf21a"
      },
      {
        "slug": "zswim6",
        "symbol": "ZSWIM6",
        "hgnc": "HGNC:29316",
        "name": "zinc finger SWIM-type containing 6",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/zswim6"
      },
      {
        "slug": "fgfr2",
        "symbol": "FGFR2",
        "hgnc": "HGNC:3689",
        "name": "fibroblast growth factor receptor 2",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/fgfr2"
      },
      {
        "slug": "fgfr3",
        "symbol": "FGFR3",
        "hgnc": "HGNC:3690",
        "name": "fibroblast growth factor receptor 3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fgfr3"
      },
      {
        "slug": "ppm1d",
        "symbol": "PPM1D",
        "hgnc": "HGNC:9277",
        "name": "protein phosphatase, Mg2+/Mn2+ dependent 1D",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ppm1d"
      },
      {
        "slug": "twist1",
        "symbol": "TWIST1",
        "hgnc": "HGNC:12428",
        "name": "twist family bHLH transcription factor 1",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/twist1"
      },
      {
        "slug": "zic1",
        "symbol": "ZIC1",
        "hgnc": "HGNC:12872",
        "name": "Zic family zinc finger 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/zic1"
      },
      {
        "slug": "crebbp",
        "symbol": "CREBBP",
        "hgnc": "HGNC:2348",
        "name": "CREB binding lysine acetyltransferase",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/crebbp"
      },
      {
        "slug": "ep300",
        "symbol": "EP300",
        "hgnc": "HGNC:3373",
        "name": "EP300 lysine acetyltransferase",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ep300"
      },
      {
        "slug": "rps19",
        "symbol": "RPS19",
        "hgnc": "HGNC:10402",
        "name": "ribosomal protein S19",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rps19"
      }
    ]
  }
}