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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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更新时间:2024/12/23 21:28:42