Definitions
There is 1 meaning of the phrase
Umbilical Vesicle.
Umbilical Vesicle - as a noun
Membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
Synonyms (Exact Relations)
vesicula umbilicusvitelline sacyolk sacExample Sentences
"The umbilical vesicle is a transient structure in the early development of embryos."
"During gastrulation, the umbilical vesicle gives rise to the primitive gut."
"The umbilical vesicle functions as a site for nutrient absorption in some vertebrate embryos."
"In humans, the umbilical vesicle appears around day 16 of embryonic development."
"The umbilical vesicle is connected to the embryo by the vitelline duct."