develops from capable of male germ cell spermatid BTO:0001274 WBbt:0006800 CALOHA:TS-0950 FMA:72294 nematoblast A male germ cell that develops from the haploid secondary spermatocytes. Without further division, spermatids undergo structural changes and give rise to spermatozoa. EMAPA:31486 eukaryotic cell haploid cell secondary spermatocyte acrosome assembly sperm axoneme assembly spermatid nucleus differentiation