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目的：研究５－羟色胺受体在大鼠脑垂体前叶中的分布及５－羟色胺受体与黄体生成素的共存关系。方法：免疫组织化学ＡＢＣ法。结果：大鼠脑垂体前叶分布有５－羟色胺受体免疫反应阳性细胞，胞体较大，多边形或卵圆形；黄体生成素阳性的内分泌细胞中含有５－羟色胺受体。结论：存在于垂体前叶的５－羟色胺能神经纤维，可能在垂体前叶的５－羟色胺受体介导下，直接参与垂体激素的合成与释放的调节。
Objective: To investigate the distribution of serotonin receptors in the anterior pituitary of rat pituitary and the coexistence of serotonin receptors and luteinizing hormone. Methods: Immunohistochemical ABC method. Results: Serotonin receptor immunoreactive positive cells were distributed in the anterior pituitary of rat, with large cell body, polygon or oval. Luteinizing hormone-producing endocrine cells contained serotonin receptors. Conclusion: The serotonergic nerve fibers existing in the anterior pituitary may be directly involved in the regulation of pituitary hormone synthesis and release mediated by serotonin receptors in the anterior pituitary.