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单词 Myogenic contraction
释义

Myogenic contraction

英语百科

Myogenic contraction

Myogenic contraction refers to a contraction initiated by the myocyte cell itself instead of an outside occurrence or stimulus such as nerve innervation. Most often observed (although not necessarily restricted to) in smaller resistance arteries, this 'basal' tone may be useful in the regulation of organ blood flow and peripheral resistance, as it positions a vessel in a preconstricted state that allows other factors to induce additional constriction or dilation to increase or decrease blood flow.

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更新时间:2025/6/20 9:45:11