to investigate whether these behavioural and morphological steroid-dependent differences may be due to differences in target organ metabolism of circulating androgen , [ 3h ] androstenedione in the presence of an nadph-generating system was incubated with homogenates of brain , pituitary and skin of male and female wilson 's phalaropes collected from a naturally breeding population .
C0004927
behavioural
C0006104
brain