Defenition of the word yolk sac

• Defenition of the word yolk sac

  • membranous structure enclosing the yolk of eggs in birds reptiles marsupials and some fishes; circulates nutrients to the developing embryo
  • membranous structure that functions as the circulatory system in mammal embryos until the heart becomes functional
  • membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes; circulates nutrients to the developing embryo
  • membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional

Hypernyms for the word yolk sac

• • sac

See other words

• • What is yodel
  • The definition of ymir
  • The interpretation of the word yield up
  • What is meant by buckle under
  • The lexical meaning knuckle under
  • The dictionary meaning of the word yes-no question
  • The grammatical meaning of the word yerupaja
  • Meaning of the word eriodictyon californicum
  • Literal and figurative meaning of the word yerba santa
  • The origin of the word house of york
  • Synonym for the word yorkshire
  • Antonyms for the word yorkshire pudding
  • Homonyms for the word yorkshire terrier
  • Hyponyms for the word yorktown
  • Holonyms for the word yosemite
  • Hypernyms for the word yosemite falls
  • Proverbs and sayings for the word yosemite national park
  • Translation of the word in other languages yosemite toad