Synonym for yolk sac

noun - membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes

Associated with yolk sac

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

Synonym for yolk sac

umbilical vesicle vesicula umbilicus vitelline sac

Associated with yolk sac

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