omphalomesenteric vein

noun

Medical Definition of omphalomesenteric vein

: any of the veins in a vertebrate embryo that return the blood from the yolk sac to the heart or later to the portal vein and in mammals have their function of bringing nutriment to the embryo superseded early by that of the umbilical vein

called also vitelline vein

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Dictionary Entries Near omphalomesenteric vein

omphalomesenteric duct

omphalomesenteric vein

omphalophlebitis

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Cite this Entry

“Omphalomesenteric vein.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/omphalomesenteric%20vein. Accessed 11 Aug. 2022.

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