心臟瓣膜

(由心瓣跳轉過嚟)

心臟瓣膜粵拼sam1 zong6 baan6 mok6英文heart valve)通常簡稱心瓣,係入面種類似喉嘴嘅嘢,作用係維持循環系統喺心入面嘅單向郁動,唔畀啲血掉返轉頭行。哺乳動物嘅心通常有四個心瓣,決定咗血要流嘅流向。而心瓣前後嘅血壓差決定咗佢幾時開同幾時閂[1][2][3],而所謂嘅心跳其實就係心臟瓣膜開同閂嗰陣整出嚟嘅聲。

心臟瓣膜喺心跳嗰陣嘅郁動
  1. "Heart Valves". American Heart Association, Inc. 喺2010-08-05搵到.
  2. Klabunde, RE (2009-07-02). "Pressure Gradients". Cardiovascular Physiology Concepts. Richard E. Klabunde. 原著喺2015-04-16歸檔. 喺2010-08-06搵到.
  3. Klabunde, RE (2007-04-05). "Cardiac Valve Disease". Cardiovascular Physiology Concepts. Richard E. Klabunde. 喺2010-08-06搵到.