What is the meaning of vesicula umbilicus?

Membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional.
- synonyms: yolk sac, vitelline sac, umbilical vesicle

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APA	WordNet. (2010). vesicula umbilicus. Retrieved September 23, 2026, from http://smartdefine.org/vesicula_umbilicus/definitions/1319310
Chicago	WordNet. 2010. "vesicula umbilicus" http://smartdefine.org/vesicula_umbilicus/definitions/1319310 (accessed September 23, 2026).
Harvard	WordNet 2010, vesicula umbilicus, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/vesicula_umbilicus/definitions/1319310>.
MLA	WordNet. "vesicula umbilicus" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/vesicula_umbilicus/definitions/1319310>

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