{
  "url": "https://dantelabs.com/traits/cryptozoospermia",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "cryptozoospermia",
    "id": "HP:0030974",
    "name": "Cryptozoospermia",
    "definition": "A type of oligozoospermia in which spermatozoa can be detected in an ejaculate only after centrifugation and inspection of the pellet.",
    "synonyms": [
      "Cryptospermia"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-genitourinary-system",
        "name": "Abnormality of the genitourinary system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-genitourinary-system"
      }
    ],
    "broader": [
      {
        "slug": "oligozoospermia",
        "name": "Low sperm count",
        "url": "https://dantelabs.com/traits/oligozoospermia"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "sycp2",
        "symbol": "SYCP2",
        "hgnc": "HGNC:11490",
        "name": "synaptonemal complex protein 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sycp2"
      },
      {
        "slug": "tex15",
        "symbol": "TEX15",
        "hgnc": "HGNC:11738",
        "name": "testis expressed 15, meiosis and synapsis associated",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tex15"
      },
      {
        "slug": "catip",
        "symbol": "CATIP",
        "hgnc": "HGNC:25062",
        "name": "ciliogenesis associated TTC17 interacting protein",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/catip"
      },
      {
        "slug": "meiob",
        "symbol": "MEIOB",
        "hgnc": "HGNC:28569",
        "name": "meiosis specific with OB-fold",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/meiob"
      },
      {
        "slug": "tdrd9",
        "symbol": "TDRD9",
        "hgnc": "HGNC:20122",
        "name": "tudor domain containing 9",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/tdrd9"
      },
      {
        "slug": "nr5a1",
        "symbol": "NR5A1",
        "hgnc": "HGNC:7983",
        "name": "nuclear receptor subfamily 5 group A member 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nr5a1"
      }
    ]
  }
}