Definitions
There is 1 meaning of the phrase
Vitelline Sac.
Vitelline Sac - as a noun
Membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
Synonyms (Exact Relations)
umbilical vesiclevesicula umbilicusyolk sacExample Sentences
"The vitelline sac is a membranous sac that surrounds the yolk in an egg."
"During embryonic development, the vitelline sac provides nutrients to the growing embryo."
"The vitelline sac is commonly found in fish and reptile eggs."
"As the embryo develops, the vitelline sac gradually shrinks."
"The absorption of nutrients from the vitelline sac is essential for the early stages of egg development."
