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Meaning of vein valve | Babel Free

Noun CEFR B2

Definitions

A small, crescent-shaped flap of tissue that is located in a vein and operates as a one-way valve to direct blood flow towards the heart and to prevent backflow.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

veinage Veinal Veined Veiner veinery veininess

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