“sinoatrial node”的中英文读音、翻译、固定搭配用法、短语词组及例句-英语词汇-学习网

单词	sinoatrial node
释义	sinoatrial noden.（名词） A small mass of specialized cardiac muscle fibers located in the posterior wall of the right atrium of the heart that acts as a pacemaker by generating at regular intervals the electric impulses of the heartbeat. Also called sinoauricular node ,sinus node 窦房结：位于右心房后壁的一小块特殊的心肌纤维，作为起搏器以正常的间隙引起心脏的电脉冲也作 sinoauricular node,sinus node
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