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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Critical closing pressure ： ウィキペディア英語版 Critical closing pressure Critical closing pressure is the internal pressure at which a blood vessel collapses and closes completely. If blood pressure falls below critical closing pressure, then the vessels collapse. This happens during the measurement of blood pressure with a sphygmomanometer. At resting state the arterial critical closing pressure is ~ 20 mmHg. Critical closing pressure in arteries is higher than the mean vascular filling pressure that develops after death (~7 mmHg). Therefore, arteries collapse after death, then fill up with air once the dissection begins. In severe haemorrhage, blood loss leads to a significant reduction in pressure. This, combined with activity in the sympathetic autonomic nerves supplying smooth muscle, leads to vasoconstriction to the extent that the vessels may collapse. This occurs at the critical closing pressure, closing off blood supply to tissues, which can lead to toxic shock. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Critical closing pressure」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.