“sinoatrial node”的概念、定义、翻译、参考文献-科学参考

单词	sinoatrial node
释义	sinoatrial node [¦sī·nō`ā·trē·ǝl `nōd] ^ANATOMY A bundle of Purkinje fibers located near the junction of the superior vena cava with the right atrium which acts as a pacemaker for cardiac excitation. Abbreviated SA node. Also known as sinoauricular node.
随便看	sigma sigma algebra sigma bond sigma field sigma finite sigma function sigma hyperon sigma-minus hyperonic atom sigma phase sigma pile sigma ring sigmaspire sigma-T sigmatron sigmatropic shift sigmoid sigmoidal dune sigmoidal fold sigmoid colon sigmoid distortion sigmoiditis sigmoidoscope sign signage signal

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