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venous valve
anat.
静脉瓣
(成对,半月形,游离缘朝向心,有保证血液向心流动和防止血液逆流的作用。由于四肢静脉受重力影响较大,瓣膜较多。躯干较大的静脉内瓣膜少或无瓣膜)
sport., med.
静脉瓣
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