英语词汇“eustachian valve”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	eustachian valve
释义	eustachian valve noun Usage: often capitalized E : a crescent-shaped fold of the lining membrane of the heart at the entrance of the vena cava inferior that directs the blood through the foramen ovale to the left auricle in the fetus but is rudimentary and functionless in the adult
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