Morphogenesis of round-headed human spermatozoa lacking acrosomes in a case of severe teratozoospermia.
D000177:Acrosome / Q000648:ultrastructure; D006801:Humans; D008297:Male; D009024:Morphogenesis; D013077:Sperm Head / Q000648:ultrastructure; D013087:Spermatids / Q000648:ultrastructure; D013094:Spermatozoa / Q000648:ultrastructure*