UMBILICAL VESICLE


Meaning of UMBILICAL VESICLE in English

noun

: the yolk sac of a mammalian embryo usually having the form of a fluid-filled pouch, corresponding to the yolk sac of an oviparous vertebrate, and having a transitory connection with the alimentary canal by way of the vitelline duct

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.