Vitelline sac Uncommon

Definitions

Noun

membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional

yolk sac vitelline sac umbilical vesicle vesicula umbilicus

Broader Terms (hypernyms)

sac

Rhyming Words

sac usac asac issac ovisac plesac barsac corsac marsac egg sac air sac fronsac ballsac ink sac culdesac nectosac sporosac tear sac yolk sac dart sac

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