Rhymes   Near rhymes   Phrase rhymes   Synonyms / Related   [Definitions]   Similar sound   Same consonants  

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

Related words...
(New!) Usage examples...

Search for yolk sac at other dictionaries: OneLook, Oxford, American Heritage, Merriam-Webster, Wikipedia

Help  Advanced  Feedback  Android  iPhone/iPad  API  Blog  Privacy

Copyright © 2019 Datamuse