sigmoid vein

noun

Medical Definition of sigmoid vein

: any of several veins that drain the sigmoid colon and empty into the superior rectal vein

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Dictionary Entries Near sigmoid vein

sigmoid sinus

sigmoid vein

sign

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Cite this Entry

“Sigmoid vein.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sigmoid%20vein. Accessed 7 Aug. 2022.

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