vitelline sac - Similar and Opposite Words

What is another word for vitelline sac ?

Here are the synonyms for vitelline sac , a list of similar words for vitelline sac from our thesaurus that you can use

Noun

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

Synonyms

• umbilical vesicle
• vesicula umbilicus
• vitelline sac
• yolk sac

More generic

• sac

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