1. 下列何者可直接促進萊氏細胞(Leydig cells)分泌睪固酮 (testosterone)?
(A)促黃體素(luteinizing hormone)
(B)促濾泡素(follicle stimulating hormone)
(C)腎素(renin)
(D)活化素(activin)

1. 題目解析本題主要考查的是萊氏細胞...