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[血液中红细胞浓度和血细胞比容值与血管位置及血流强度的关系]

[Differences in the concentration of erythrocytes and the hematocrit value in the blood in relation to the location of the vessels and the intensity of the blood flow].

作者信息

Mchedlishvili G I, Varazashvili M N

出版信息

Biull Eksp Biol Med. 1986 Oct;102(10):387-8.

PMID:3768498
Abstract

The experiments in adult rabbits revealed that in the blood flowing in cerebral veins the red cell concentration and hematocrit are much greater than in the veins of hind legs of the same animals. In blood samples taken from the heart these values are higher than in those taken from the hind leg, but usually lower than in blood samples taken from the brain. Under conditions of reduced cerebral blood flow (ischemia) the red cell concentration and hematocrit in the brain vessels decrease significantly as compared to the control conditions. Thus, the red cell distribution in arterial branching sequence is irregular, depending both on the localization of the vascular bed and the blood flow rate in it.

摘要

对成年兔子进行的实验表明,在脑静脉中流动的血液里,红细胞浓度和血细胞比容比同一只动物后腿静脉中的要高得多。从心脏采集的血样中,这些数值高于从后腿采集的血样,但通常低于从大脑采集的血样。在脑血流量减少(缺血)的情况下,与对照条件相比,脑血管中的红细胞浓度和血细胞比容显著降低。因此,红细胞在动脉分支序列中的分布是不规则的,这既取决于血管床的位置,也取决于其中的血流速度。

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1
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