血管收缩
| 血管收缩 Vasoconstriction | |
|---|---|
 Transmission electron micrograph showing vasoconstriction of a microvessel by pericytes and endothelial cells resulting in the deformation of an erythrocyte (E). | |
| 标识字符 | |
| MeSH | D014661 |
| 《解剖学术语》 [在维基数据上编辑] | |
血管收缩（vasoconstriction），亦即血管收窄，是指体内血管管腔收窄，这会造成血压的上升。它的相反过程称为血管舒张。
血管收缩可以是由血管收缩剂造成。血管收缩剂是针对特定的受体，如抗利尿激素受体或肾上腺素受体。血管收缩剂亦会在临床使用增加血压或减低局部的血液流量。
此外，当面对高度的压力时会引发血管收缩。当环境寒冷时，血管收缩亦会在恒温动物的表面血管出现。这个过程目的是要使温暖的血液转流向动物的中央，防止体温的流失。[1]
血管收缩剂例子
[编辑]注释
[编辑]- ^ Medihaler Ergotamine. drugs.com. [2016-05-20]. （原始内容存档于2017-08-15）.
参见
[编辑]外部链接
[编辑]- 血管收缩的定义（英文）
- Definition of Vasoconstriction on HealthScout
- Cannabis arteritis revisited--ten new case reports
- Are coronary heart disease and peripheral arterial disease associated with tobacco or cannabis consumption
- Vasoconstrictor effects of Cannabis appear to inhibit Migraine (headache) attacks （页面存档备份，存于互联网档案馆）
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