About The Word Yolk sac
Learn about the word Yolk sac to help solve your crossword puzzle. Discover Yolk sac definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Yolk sac
| Yolk sac Definition And Meaning |
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What's The Definition Of Yolk sac?
[n] membranous structure enclosing the yolk of eggs in birds reptiles marsupials and some fishes; circulates nutrients to the developing embryo
[n] membranous structure that functions as the circulatory system in mammal embryos until the heart becomes functional Synonyms | Synonyms for Yolk sac: umbilical vesicle | vesicula umbilicus | vitelline sac Related Terms | Find terms related to Yolk sac: See Also | sac |
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