Library / English Dictionary

    VITELLINE SAC

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    Membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functionalplay

    Synonyms:

    umbilical vesicle; vesicula umbilicus; vitelline sac; yolk sac

    Classified under:

    Nouns denoting animals

    Hypernyms ("vitelline sac" is a kind of...):

    sac (a structure resembling a bag in an animal)

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