垂体分泌的催乳素(Prolactin简称PRL下同)是一个较古老的激素。但过去对它的性质及作用并不十分清楚,原因之一是由于检验方法不够精确。历来沿用的生物学方法,为鸽嗉囊法、乳腺组织培养法等不能做出微量的测定,加之提纯工作进展较慢,所 Pituitary prolactin (Prolactin referred to as PRL the same below) is an older hormone. However, its nature and role in the past was not very clear. One of the reasons is that the test method is not accurate enough. Traditionally used biological methods for the pigeon pouch cyst method, breast tissue culture method can not make a trace determination, combined with the purification work is slow,