Migration of motile spermatozoa into sperm-free medium and the "dilution effect".
D000818:Animals; D002417:Cattle; D003585:Cell Biology; D002465:Cell Movement; D004058:Diffusion; D066298:In Vitro Techniques; D008297:Male; D008722:Methods; D013094:Spermatozoa / Q000502:physiology*