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・ Vascular malformation
・ Vascular Medicine (journal)
・ Vascular myelopathy
・ Vascular nerves
・ Vascular occlusion
・ Vascular occlusion training
・ Vascular organ of lamina terminalis
・ Vascular permeability
・ Vascular Pharmacology
・ Vascular plant
・ Vascular pole
・ Vascular recruitment
・ Vascular remodelling in the embryo
・ Vascular resistance
・ Vascular ring
Vascular smooth muscle
・ Vascular snare
・ Vascular surgery
・ Vascular tissue
・ Vascular tissue neoplasm
・ Vascular tumor
・ Vascular-targeting agent
・ Vascularity
・ Vasculitis
・ Vasculogenesis
・ Vasculogenic mimicry
・ Vasculum
・ Vascões
・ Vascœuil
・ VASD – Viação Aérea Santos Dumont


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Vascular smooth muscle : ウィキペディア英語版
Vascular smooth muscle

Vascular smooth muscle refers to the particular type of smooth muscle found within, and composing the majority of the wall of blood vessels.
==Function==
Vascular smooth muscle contracts or relaxes to both change the volume of blood vessels and the local blood pressure, a mechanism that is responsible for the redistribution of the blood within the body to areas where it is needed (i.e. areas with temporarily enhanced oxygen consumption). Thus the main function of vascular smooth muscle tone is to regulate the caliber of the blood vessels in the body. Excessive vasoconstriction leads to high blood pressure, while excessive vasodilation as in shock leads to low blood pressure.
Arteries have a great deal more smooth muscle within their walls than veins, thus their greater wall thickness. This is because they have to carry pumped blood away from the heart to all the organs and tissues that need the oxygenated blood. The endothelial lining of each is similar.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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