title: Effect of vasoligation of 14-day-old and 21-day-old rats on spermatogenesis.
mesh_terms: D000375:Aging; D000818:Animals; D004822:Epididymis / Q000473:pathology; D008026:Ligation; D008297:Male; D051381:Rats; D013091:Spermatogenesis; D013997:Time Factors; D014649:Vas Deferens / Q000502:physiology*