we have reported [ 1,2 ] in immature golden hamster testis that 5 beta-reductase is localized in the seminiferous tubules , while 5a-reductase is present in the interstitial tissue and that the 17 beta-ol-dehydrogenase activity is found predominantly in the seminiferous tubules .
C0039597
testis
C0036630
seminiferous tubules