the most significant sex differences in the pattern of [ 3h ] testosterone metabolites recovered from several brain regions ( including pituitary , pineal gland , and hypothalamus ) after intraperitoneal administration of [ 3h ] testosterone were the predominance of testosterone and androstenedione in male brain compared to the quantitative importance of 5alpha-androstane-3alpha , 17beta-diol , 5alpha-androstane-3beta , 17beta-diol , epitestosterone , and dihydroepitestosterone in female brain .
C0039601
testosterone
C0014594
epitestosterone