FB2026_03 , released September 17, 2026
CV Term Report
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Term male larval germline cyst ID (Ontology) FBbt:00059185 (Fly Anatomy)
Definition A germline cyst of the male larva. It contains developing male germ cells from the spermatogonial stage to the end of the primary spermatocyte stage (Mahadevaraju et al., 2021).[ FlyBase:FBrf0248088 ]
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
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 Alleles
 male larval germline cyst (all annotations which use CV term, excluding "NOT" statements)
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larva
 |__larval testis____________________
gonad                                |
 |__larval testis____________________|
male organism                        |
 |__male-specific anatomical entity__|
multi-tissue structure               |
 |__germline cyst____________________|
male-specific anatomical entity      |
 |__larval testis____________________|
anatomical entity                    |
 |__male-specific anatomical entity__|
                                     male larval germline cyst  3 rec.
                                      |__cyst cell of larval testis 1 rec.
                                      |   |__larval apolar primary spermatocyte cyst cell
                                      |   |__larval mature spermatocyte cyst cell
                                      |   |__larval polar primary spermatocyte cyst cell
                                      |   |__larval spermatogonial cyst cell
                                      |__larval primary spermatocyte 1 rec.
                                      |   |__larval apolar primary spermatocyte
                                      |   |__larval mature primary spermatocyte
                                      |   |__larval polar primary spermatocyte
                                      |__larval spermatogonium
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Is a germline cyst
male-specific anatomical entity
Part of larval testis
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