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[大鼠情绪兴奋时血液的区域再分布]

[Regional redistribution of blood during emotional excitation in rats].

作者信息

Kovalex O A, Sheremetevskaia S K

出版信息

Fiziol Zh SSSR Im I M Sechenova. 1977 Jul;63(7):1021-5.

PMID:561004
Abstract

Shifts in general circulation (GC) and changes of relative blood volume in 46 vascular areas were studied in unanesthetized rats closed in a small cell for 10 min, 1, 3, 4.5 hrs as well as in rats tied with their backs down for 1 hr. The GC increased in the latter case. Regional redistribution of the blood volume was not related to the position of the body but its intensity was related to the degree of emotional excitation. All the tests reduced the relative blood volume in a number of abdominal organs and in small pelvis; in muscles and bones of limbs, abdomen and pelvis; in skin of the breast and hindlimbs. The percent blood volume increase occurred in the brain, heart, lungs, muscles and bones of the head, neck, and breast. Regional blood redistribution in rats tied to a bar with their backs down for 4 hrs involved a decrease of the relative blood volume in the skin, muscles and bones, in a number or organs of the small pelvis and abdomen, while the volume increased in the liver, heart, and lungs.

摘要

在未麻醉的大鼠中进行了研究,这些大鼠被关在小笼子里10分钟、1小时、3小时、4.5小时,以及背部朝下捆绑1小时,观察其体循环(GC)的变化和46个血管区域相对血容量的改变。在后一种情况下,体循环增加。血容量的区域重新分布与身体位置无关,但其强度与情绪兴奋程度有关。所有测试均使多个腹部器官和小骨盆、四肢、腹部和骨盆的肌肉与骨骼、胸部和后肢皮肤的相对血容量减少。脑、心脏、肺、头、颈和胸部的肌肉与骨骼中的血容量百分比增加。背部朝下绑在杆上4小时的大鼠,其区域血液重新分布包括皮肤、肌肉和骨骼、小骨盆和腹部的一些器官的相对血容量减少,而肝脏、心脏和肺中的血容量增加。

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