Vitelline Duct

In the human embryo, the vitelline duct, also known as the omphalomesenteric duct, is a long narrow tube that joins the yolk sac to the midgut lumen of the developing fetus. It appears at the end of the fourth week, when the yolk sac presents the appearance of a small pear-shaped vesicle (the umbilical vesicle).

Read more about Vitelline Duct:  Obliteration, Afterbirth, Mnemonic, Additional Images

Other articles related to "duct, vitelline duct":

Meckel's Diverticulum - Developmental Background
... The omphalomesenteric duct (omphaloenteric duct, vitelline duct or yolk stalk) normally connects the embryonic midgut to the yolk sac ventrally, providing ... The vitelline duct narrows progressively and disappears between the 5th and 8th weeks gestation ... In Meckel’s diverticulum, the proximal part of vitelline duct fails to regress and involute, which remains as a remnant of variable length and location ...