yolk
yolk

yolk sac


Definition: Meaning of, yolk sac in English to English dictionary.

Pronunciation: / jəʊk sak /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
yolk sac yolk sacs
  1. membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
    SYNONYM
    vitelline sac, umbilical vesicle, vesicula umbilicus
    ANTONYM
    Not found!
  2. membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes; circulates nutrients to the developing embryo
    SYNONYM
    Not found!
    ANTONYM
    Not found!
synonym
antonym

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