title: Comparative aspects of spermatogenesis.
mesh_terms: D000818:Animals; D001345:Autoradiography; D012831:Bombyx; D002454:Cell Differentiation; D002462:Cell Membrane; D003063:Cnidaria; D003445:Crustacea; D004247:DNA / Q000096:biosynthesis; D004330:Drosophila; D005837:Genitalia, Male / Q000196:embryology; D005854:Germ Cells; D006801:Humans; D007313:Insecta; D008297:Male; D008540:Meiosis; D051379:Mice; D010828:Physiology, Comparative; D051381:Rats; D012708:Sertoli Cells; D012756:Sheep; D013045:Species Specificity; D013091:Spermatogenesis; D013094:Spermatozoa
chemical_list: D004247:DNA