Definitions for vitelline sac
This page provides all possible meanings and translations of the word vitelline sac
yolk sac, vitelline sac, umbilical vesicle, vesicula umbilicus(noun)
membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
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"vitelline sac." Definitions.net. STANDS4 LLC, 2015. Web. 29 May 2015. <http://www.definitions.net/definition/vitelline sac>.