FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term primary spermatocyte cyst ID (Ontology) FBbt:00004938 (Fly Anatomy)
Definition Male germline cyst containing 16 primary spermatocytes.[ FlyBase:FBrf0064778 ]
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Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN      41
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      16
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       2
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
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Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 primary spermatocyte cyst (all annotations which use CV term, excluding "NOT" statements)      41      7     16      2
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  male germline cyst
   |__spermatocyte cyst
       |__primary spermatocyte cyst  268 rec.
           |__apolar primary spermatocyte cyst
           |__mature primary spermatocyte cyst 9 rec.
           |__polar primary spermatocyte cyst 18 rec.
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