plasma progesterone ( p4 ) , plasma 20 alpha dihydroprogesterone ( 20 alpha ohp4 ) , in vitro production of pregnenolone ( p5 ) from endogenous cholesterol in ovarian mitochondria ( 8,000 x g pellet ; mt ) , activities of 3 beta hydroxysteroid dehydrogenase ( 3 beta hsd ) in ovarian microsome ( 105,000 x g pellet ; ms ) and 20 alpha hydroxysteroid dehydrogenase ( 20 alpha hsd ) in ovarian cytosol ( 105,000 x g supernatant ;
C0033308
progesterone
C0012311
20 alpha dihydroprogesterone