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单词 heart valve
释义

Definition of heart valve in English:

heart valve

noun

  • Each of the structures occupying the openings of the ventricles of the heart, consisting of two or three membranous cusps, and acting to prevent backflow of blood during and after ventricular contraction.

Origin

Mid 19th century.

Definition of heart valve in US English:

heart valve

noun

  • Each of the structures occupying the openings of the ventricles of the heart, consisting of two or three membranous cusps, and acting to prevent backflow of blood during and after ventricular contraction.

Origin

Mid 19th century.
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更新时间：2025/6/18 10:49:44