[Ultrastructural study of bull spermatozoa acrosome complex before and after freezing].
D000818:Animals; D002417:Cattle; D005615:Freezing; D008297:Male; D008854:Microscopy, Electron; D013094:Spermatozoa; D014021:Tissue Preservation
Etude de l'ultrastrucutre de complexe acrosomique de spermatoziïde de taureau avant et après congélation.