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交感神经刺激对麻醉猫胃的胃酸分泌、局部血流量及氧利用的影响。

The effect of sympathetic nerve stimulation on acid secretion, regional blood flows and oxygen usage by stomachs of anaesthetized cats.

作者信息

Grund E R, Reed J D, Sanders D J

出版信息

J Physiol. 1975 Jul;248(3):639-47. doi: 10.1113/jphysiol.1975.sp010993.

Abstract
  1. Gastric acid secretion, and total gastric and mucosal blood flows (amidopyrine technique) were measured in anaesthetized cats. Oxygen contents of arterial and gastric venous blood were measured using an oximeter. 2. Splanchnic nerve stimulation (10 Hz) significantly reduced the acid output and total gastric and mucosal blood flows produced in response to maximal gastrin pentapeptide infusions. 3. The arterial haemoglobin concentration was significantly reduced during splanchnic nerve stimulation, and this is consistent with the hypothesis that the splanchnic nerve effect is directed against precapillary sphincters. 4. During the period of inhibition, gastric oxygen consumption and acid secretion were reduced to similar degrees. There was no significant change in oxygen extraction by the stomach. 5. It remains possible that the splanchnic nerves directly inhibit the parietal cell activity.
摘要
  1. 对麻醉猫测量胃酸分泌以及胃和黏膜总血流量(氨基比林技术)。使用血氧计测量动脉血和胃静脉血的氧含量。2. 内脏神经刺激(10赫兹)显著降低了对最大胃泌素五肽输注产生的酸分泌量以及胃和黏膜总血流量。3. 内脏神经刺激期间动脉血红蛋白浓度显著降低,这与内脏神经效应针对毛细血管前括约肌的假说一致。4. 在抑制期间,胃氧消耗量和酸分泌量以相似程度降低。胃的氧摄取没有显著变化。5. 内脏神经直接抑制壁细胞活性仍有可能。

相似文献

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Gastric blood flow in anaesthetized cats.麻醉猫的胃血流量
J Physiol. 1968 Feb;194(3):795-807. doi: 10.1113/jphysiol.1968.sp008435.

本文引用的文献

3
Gastric blood flow in anaesthetized cats.麻醉猫的胃血流量
J Physiol. 1968 Feb;194(3):795-807. doi: 10.1113/jphysiol.1968.sp008435.
8
Adrenergic innervation of the alimentary canal.消化道的肾上腺素能神经支配。
Z Zellforsch Mikrosk Anat. 1971;122(3):357-77. doi: 10.1007/BF00935995.

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