论文部分内容阅读
生长抑素（somatostatin，ss）是一种具有激素和神经递质双重作用的多肽物质。1972年Brazeall等由羊下丘脑中分离提纯出来，其具有抑制垂体前叶释放生长激素的作用。现已证明SS广泛存在于中枢神经系统．胰腺和胃肠道等组织，它的生理作用已远远超过其名称所限定的范围。近年来S
Somatostatin (ss) is a kind of polypeptide substance that has the dual role of hormone and neurotransmitter. Brazeall et al. Were isolated and purified from sheep hypothalamus in 1972, which has the effect of inhibiting the release of growth hormone in the anterior pituitary. It has been demonstrated that SS is widespread in the central nervous system. Pancreas and gastrointestinal tract and other tissues, its physiological role has far exceeded the scope of its name. In recent years