vein valve

noun

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.

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Meanings

nounvein valve (plural vein valves)

plural vein valves

  1. anatomyA 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.
Cite this entry
APA

vein valve. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/vein%20valve

MLA

“vein valve.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/vein%20valve. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “vein valve,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/vein%20valve.

Source: vein valve on Wiktionary, CC BY-SA 4.0.