血管收縮
血管收縮(vasoconstriction),亦即血管收窄,是指體內血管管腔收窄,這會造成血壓的上升。它的相反過程稱為血管舒張。
血管收縮 Vasoconstriction | |
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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 |
《解剖學術語》 |
血管收縮可以是由血管收縮劑造成。血管收縮劑是針對特定的受體,如抗利尿激素受體或腎上腺素受體。血管收縮劑亦會在臨床使用增加血壓或減低局部的血液流量。
此外,當面對高度的壓力時會引發血管收縮。當環境寒冷時,血管收縮亦會在恆溫動物的表面血管出現。這個過程目的是要使溫暖的血液轉流向動物的中央,防止體溫的流失。[1]
外部連結
- 血管收縮的定義(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)
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