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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Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
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
           |   |__apolar primary spermatocyte
           |   |__apolar primary spermatocyte cyst cell
           |__mature primary spermatocyte cyst 9 rec.
           |   |__mature primary spermatocyte 7 rec.
           |   |__mature primary spermatocyte cyst cell 2 rec.
           |__polar primary spermatocyte cyst 18 rec.
           |   |__polar primary spermatocyte 18 rec.
           |   |__polar primary spermatocyte cyst cell
           |__primary spermatocyte 191 rec.
           |   |__apolar primary spermatocyte
           |   |__mature primary spermatocyte 7 rec.
           |   |__meiotic primary spermatocyte(+) 12 rec.
           |   |__polar primary spermatocyte 18 rec.
           |__primary spermatocyte cyst cell 2 rec.
           |   |__apolar primary spermatocyte cyst cell
           |   |__mature primary spermatocyte cyst cell 2 rec.
           |   |__polar primary spermatocyte cyst cell
           |__spermatocyte ring canal 14 rec.
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