GI Development Flashcards
(5 cards)
1
Q
Describe functions of lateral and craniocaudal folding
A
Lateral - creates ventral body wall and primative gut becomes tubular
Craniocaudal - creates cranial caudal pockets form yolk sac endoderm creating a blind ended tube.
2
Q
What features does the endoderm and visceral mesoderm produce?
A
Endoderm forms the epithelial lining and gives rise to specific cells (parenchyma) of each gland.
Visceral mesoderm forms the stroma, muscles, CT and peritoneal components of the GI tract.
3
Q
Give the adult derivatives of the foregut
A
Oesophagus Stomach Liver Gall bladder Pancreas Duodenum proximal to entrance of bile duct
4
Q
Give the adult derivatives of the mid gut
A
Duodenum distal to the entrance of the bile duct Jejunum Ileum Cecum Ascending colon Proximal 2/3 of transverse colon
5
Q
Give the adult derivatives of the hindgut
A
Distal 1/3 of transverse colon Descending colon Sigmoid colon Rectum Upper anal canal Internal lining of urethra and bladder
