EOG89CSRN GO:0007283 1/13 spermatogenesis biological_process "The process of formation of spermatozoa, including spermatocytogenesis and spermiogenesis." [GOC:jid, ISBN:9780878933846] EOG89CSRN GO:0005737 1/13 cytoplasm cellular_component "All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures." [ISBN:0198547684]