Inhibin is a kind of material with water-solubility from bull testicular,of which the name arises from its effect in inhibiting castration cells in pituitary.

• 自从牛睾丸中提取出一种水溶性物,并发现可以抑制肥大的垂体去势细胞而命名为抑制素以来,关于抑制素的研究已有70余年的历史。