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胃泌素是胃窦部和小肠上部粘膜中G细胞分泌的一种激素,其主要的生理作用是刺激壁细胞分泌大量胃酸,而胃酸又对胃窦部G细胞有较强的抑制作用,故胃酸与胃泌素之间存在着反馈自我调节机制。凡影响胃酸分泌的疾病势必影响胃泌素分泌水平。甲状腺
Gastrin is a hormone secreted by G cells in the gastric mucosa of the antrum and the upper intestine. Its main physiological function is to stimulate the parietal cells to secrete a large amount of gastric acid, which in turn has a strong inhibitory effect on gastric G cells. There is a feedback self-regulation mechanism between gastric acid and gastrin. Where the impact of gastric acid secretion of the disease is bound to affect the level of gastrin secretion. thyroid