Sperm head surface area as an individual characteristic of a donor's sperm.
The mean surface area of the head of fixed and stained spermatozoa from 12 healthy, young donors was measured on 3 occasions separated by 8-day intervals. The mean area varied appreciably between individuals, and considerably less between samples from the same donor.
D000293:Adolescent; D000328:Adult; D006801:Humans; D008297:Male; D013077:Sperm Head / Q000648:ultrastructure*; D013094:Spermatozoa / Q000648:ultrastructure*