Morphology, proliferation, and differentiation of undifferentiated spermatogonia in the Chinese hamster and the ram.
D000818:Animals; D002452:Cell Count; D002454:Cell Differentiation; D002455:Cell Division; D006224:Cricetinae / Q000502:physiology*; D003412:Cricetulus / Q000502:physiology*; D008297:Male; D012756:Sheep / Q000502:physiology*; D013045:Species Specificity; D013093:Spermatogonia / Q000254:growth & development* / Q000502:physiology; D013094:Spermatozoa / Q000254:growth & development*