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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 Low pressure receptor zones ： ウィキペディア英語版 Low pressure receptor zones Low pressure receptor zones are areas with baroreceptors located in the venae cavae and the pulmonary veins, and in the atria. They are also called volume receptors. These receptors respond to changes in the wall tension, which is proportional to the filling state of the low pressure side of circulation (below 60mmHg). Their impulses regulate the secretion of antidiuretic hormone (ADH/Vasopressin), renin and aldosterone. An elevated atrial pressure produces a decrease in ADH and aldosterone secretion. The decrease in vasopressin secretion results in an increase in the volume of urine excreted, serving to lower blood pressure. In addition, stretching of atrial receptors increases secretion of atrial natriuretic peptide (ANP), which promotes increased water and sodium excretion through the urine.〔"Principles of medical physiology" by A Fonyo page 577〕 In the right atrium, the stretch receptors occur at the junction of the venae cavae. In the left atrium, the junction is at the pulmonary veins. Increasing stretch of the receptors stimulates both an increase in heart rate and a decrease in vasopressin (ADH) secretion from posterior pituitary. ==See also== * Bainbridge reflex. * High pressure receptor zones 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「Low pressure receptor zones」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.