Vitelline duct

Vitelline duct
Vitelline duct
	Fetus of about eight weeks, enclosed in the amnion. (Vitelline duct labeled at lower right.)
	Sketches in profile of two stages in the development of the human digestive tube. (Vitelline duct labeled on bottom image.)
Details
Days	28
Precursor	Midgut, yolk sac
Identifiers
Latin	ductus vitellinus
MeSH	D014816
	Anatomical terminology [edit on Wikidata]

In the human embryo, the vitelline duct, also known as the vitellointestinal duct,^[1] the yolk stalk,^[1] the omphaloenteric duct,^[1] or the omphalomesenteric duct,^[1] is a long narrow tube that joins the yolk sac to the midgut lumen of the developing fetus.^[2] It appears at the end of the fourth week, when the yolk sac (also known as the umbilical vesicle) presents the appearance of a small pear-shaped vesicle.

^ ^a ^b ^c ^d Elsevier, Dorland's Illustrated Medical Dictionary, Elsevier.
^ Le, Tao; Bhushan, Vikas; Vasan, Neil (2010). First Aid for the USMLE Step 1: 2010 20th Anniversary Edition. USA: The McGraw-Hill Companies, Inc. pp. 122. ISBN 978-0-07-163340-6.

[Dorlands-1] Elsevier, Dorland's Illustrated Medical Dictionary, Elsevier.

[usmle1_122-2] Le, Tao; Bhushan, Vikas; Vasan, Neil (2010). First Aid for the USMLE Step 1: 2010 20th Anniversary Edition. USA: The McGraw-Hill Companies, Inc. pp. 122. ISBN 978-0-07-163340-6.

[1]

[2]