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垂体后叶素引起抗利尿作用表现为三个时期。文献中对无尿期的形成看法各异。本文实验证明无尿期是在注药后输尿管下部二分之一处生理状态改变所致。以苯酚随机处理输尿管,提示垂体后叶素作用时可能有神经反射途径。最后的少尿期才是垂体后叶素的抗利尿作用。 垂体后叶素具有加压和抗利尿作用。在垂体后叶素抗利尿作用中。顺序出现无尿期、多尿期和少尿期三个阶段,并认为无尿期的出现是由于输尿管的痉挛引起的。但也有报告无尿期无尿除可能是输尿管痉挛外,还可能有其它原因。虽然这一内容被广泛在普通生理学实验课中采用,但其机制未见报导,各院校做法不尽相同,解释也有差异。本实验在于进一步探讨初期无尿的原因。
Pituitrin cause antidiuretic effect for three periods. Literature on the formation of anuria different views. This experiment shows that no urine period is injected in the lower half of the ureter physiological state changes caused. Random phenol treatment of ureter, suggesting that the role of vasopressin may have reflex pathways. The final oliguria period is pituitrin antidiuretic effect. Pituitrin with pressure and anti-diuretic effect. In the pituitrin antidiuretic effect. The order of anuria, polyuria and oliguria in three stages, and that the emergence of anuria is due to ureteral spasm caused. But there are also reports of anuria without urine in addition to possible ureteral spasm, but also may have other reasons. Although this content is widely used in the general physiology experiment class, its mechanism has not been reported. The institutions vary in their approaches and explanations. This experiment is to further explore the reasons for the initial anuria.