title: SPECIES VARIATION IN TESTICULAR DELTA 5-3 BETA-HYDROXYSTEROID DEHYDROGENASE ACTIVITY: ABSENCE OF ACTIVITY IN PRIMATE LEYDIG CELLS.
mesh_terms: D015096:3-Hydroxysteroid Dehydrogenases; D000818:Animals; D002335:Carnivora; D002415:Cats; D002685:Chiroptera; D006224:Cricetinae; D004285:Dogs; D006168:Guinea Pigs; D000882:Haplorhini; D006651:Histocytochemistry; D006654:Histology, Comparative; D006801:Humans; D006913:Hydroxysteroid Dehydrogenases; D007985:Leydig Cells; D008297:Male; D008394:Marsupialia; D051379:Mice; D011323:Primates; D011817:Rabbits; D051381:Rats; D012106:Research; D013045:Species Specificity; D013737:Testis
chemical_list: D015096:3-Hydroxysteroid Dehydrogenases; D006913:Hydroxysteroid Dehydrogenases; C031954:delta(5)-3 beta-hydroxysteroid dehydrogenase
keywords: CARNIVORA; CATS; CHIROPTERA; DOGS; EXPERIMENTAL LAB STUDY; GUINEA PIGS; HAMSTERS; HISTOCYTOCHEMISTRY; HISTOLOGY, COMPARATIVE; HYDROXYSTEROID DEHYDROGENASE; LEYDIG CELLS; MARSUPIALIA; MICE; MONKEYS; RABBITS; RATS; SPECIES SPECIFICITY; TESTIS