Electronmicroscopical investigations on bull sperm: the movement of the spermatozoa, their swimming stability and the double asymmetry of material dispersion in the head.
D000818:Animals; D002417:Cattle; D003720:Densitometry; D005306:Fertilization; D008297:Male; D008854:Microscopy, Electron; D008859:Microscopy, Polarization; D009068:Movement; D013094:Spermatozoa / Q000502:physiology*