Human spermatids and spermatozoa lacking acrosomes.
D000328:Adult; D001706:Biopsy; D002467:Cell Nucleus; D004542:Ejaculation; D006056:Golgi Apparatus; D006801:Humans; D007248:Infertility, Male / Q000473:pathology*; D008297:Male; D008854:Microscopy, Electron; D012708:Sertoli Cells; D013091:Spermatogenesis; D013094:Spermatozoa; D013737:Testis / Q000473:pathology