英语词汇“sinoatrial node”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	sinoatrial node
释义	WordReference Random House Unabridged Dictionary of American English © 2024 si′no•a′tri•al node′ (sī′nō ā′trē əl, sī′-),USA pronunciation [Anat.] Anatomya small mass of tissue in the right atrium functioning as pacemaker of the heart by giving rise to the electric impulses that initiate heart contractions. Also called sinus node. sino- + atrial 1920–25
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