cardiac sphincter是什么意思 cardiac sphincter怎么读
cardiac sphincter的英文翻译是什么意思，词典释义与在线翻译
Noun:- the valve between the distal end of the esophagus and the stomach; the physiological sphincter at the esophagogastric junction
cardiac sphincter的用法和样例
- A ring of muscle, the cardiac sphincter, surrounds the esophagus at this point.
此处有一肌肉环即贲门括约肌围绕着食道。
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