FB2026_03 , released September 17, 2026

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 ]

Comment

Links to External Ontologies

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Results list data from multiple species. Choose a record type above to open its HitList.

Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Alleles (FBal)	PHENOTYPE_MANIFEST_IN
Insertions (FBti)	PHENOTYPE_MANIFEST_IN
Constructs (FBtp)	PHENOTYPE_MANIFEST_IN

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Alleles	Genes	Insertions	Constructs
primary spermatocyte cyst (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

  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.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	spermatocyte cyst
Part of
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts