yolk sac 1
noundomain: animal
Princeton WordNet [ver.3.1]
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EnglishDefinition
membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
Synonyms
- vitelline sac 1
membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
- umbilical vesicle 1
membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
- vesicula umbilicus 1
membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
