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血管紧张素和去甲肾上腺素对猫和犬颈交感神经纤维放电的影响。

Effects of angiotensin and noradrenaline on discharge in fibres of the cervical sympathetic nerve in cats and dogs.

作者信息

Morrison J F, Pickford M

出版信息

Br J Pharmacol. 1971 Apr;41(4):674-82. doi: 10.1111/j.1476-5381.1971.tb07075.x.

Abstract
  1. The effects of angiotensin and noradrenaline on discharge frequency in single and few-fibre preparations of the cervical sympathetic nerve of cats and dogs have been compared.2. When equal changes in blood pressure were produced by intravenous infusion of these drugs, the changes found in sympathetic discharge were similar both in anaesthetized animals and in a decerebrate one.3. Angiotensin and noradrenaline also have similar effects on discharge in sympathetic nerve fibres following complete denervation of the baroreceptor and chemoreceptor nerves.4. It is concluded that when the blood pressure is raised to 200 mmHg by angiotensin, the drug has no central stimulant action on the sympathetic nervous system.
摘要
  1. 已比较了血管紧张素和去甲肾上腺素对猫和狗颈交感神经单纤维及少纤维标本放电频率的影响。

  2. 当通过静脉输注这些药物使血压产生同等变化时,在麻醉动物和去大脑动物中发现的交感神经放电变化相似。

  3. 对压力感受器和化学感受器神经完全去神经支配后,血管紧张素和去甲肾上腺素对交感神经纤维放电也有相似作用。

  4. 得出的结论是,当血管紧张素使血压升至200 mmHg时,该药物对交感神经系统无中枢兴奋作用。

相似文献

本文引用的文献

1
Discharges in mammalian sympathetic nerves.哺乳动物交感神经中的放电。
J Physiol. 1932 Feb 8;74(2):115-33. doi: 10.1113/jphysiol.1932.sp002832.
3
Central effects of peptides on the cardiovascular system.肽对心血管系统的中枢效应。
Ann N Y Acad Sci. 1963 Feb 4;104:299-311. doi: 10.1111/j.1749-6632.1963.tb17675.x.
6
Spontaneous activity of sympathetic preganglionic neurons.交感神经节前神经元的自发活动。
Can J Physiol Pharmacol. 1968 Nov;46(6):887-96. doi: 10.1139/y68-138.
7
10
Effect of angiotensin on sympathetic nerve activity.血管紧张素对交感神经活动的影响。
Acta Physiol Scand. 1968 Sep-Oct;74(1):134-41. doi: 10.1111/j.1748-1716.1968.tb04222.x.

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