FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term secondary spermatocyte ID (Ontology) FBbt:00004941 (Fly Anatomy)
Definition Spermatocyte from the end of the first meiotic division (meiosis I) to the end of the second meiotic division (meiosis II).[ FlyBase:FBrf0064778 ]
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
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 Alleles Genes Insertions Constructs
 secondary spermatocyte (all annotations which use CV term, excluding "NOT" statements)
     secondary spermatocyte | male
      --       --       --
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spermatocyte cyst
 |__spermatocyte_________________
 |__secondary spermatocyte cyst__|
male germline cell               |
 |__spermatocyte_________________|
                                 secondary spermatocyte  35 rec.
                                  |__interphase secondary spermatocyte
                                  |__meiotic secondary spermatocyte 2 rec.
                                      |__secondary spermatocyte in meiotic anaphase II
                                      |__secondary spermatocyte in meiotic metaphase II
                                      |__secondary spermatocyte in meiotic prophase II
                                      |__secondary spermatocyte in meiotic telophase II 2 rec.
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Is a spermatocyte
Develops from primary spermatocyte
Part of secondary spermatocyte cyst
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CL:0000657