名词
中文翻译：心室开口
同义词：
['atrial orifice', 'foramen ovale', 'foramen secundum']
例句：
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1. The heart's ventriculostium is the opening through which blood exits the heart.
心脏的心室开口是血液从心脏排出的通道。
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2.During surgery, the surgeon carefully opens the ventriculostium to access the heart chambers.
在手术中，外科医生小心地打开心室开口以进入心脏腔室。
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3. The ventriculostium of the aorta is a narrow opening that connects the right atrium and ventricle.
主动脉的心室开口是一个狭窄的通道，连接右心房和左心室。