What is another word for Vitelline Sac?
Pronunciation: [vˈa͡ɪtə͡lˌa͡ɪn sˈak] (IPA) 
The term "vitelline sac" is often used in biology to describe the structure that provides nutrients to developing embryos. However, there are several synonyms that can be used to refer to this structure. One alternative term is yolk sac, which accurately reflects the sac's role in providing nourishment to developing embryos. Another synonym is umbilical vesicle, as the vitelline sac is similar in function to the umbilical cord in mammalian embryos. Finally, the term germinal vesicle can be used to describe the structure, as it is the site where the oocyte begins to develop after it is fertilized by sperm. Regardless of the term used, the vitelline sac plays a crucial role in embryonic development in many species.
