Development of Digestive System Flashcards
1
Q
Gut forms as embryo folds…
A
DORSAL ASPECT of developing yolk sac is incorporated
2
Q
foregut
A
head fold
3
Q
midgut
A
lateral folds
4
Q
hindgut
A
tail folds
5
Q
2 germ layers involved in gut development
A
endoderm and splanchnic mesoderm
6
Q
Endoderm
A
epithelium and glands
7
Q
Splanchnic Mesoderm
A
SM and CT elements of gut tube
8
Q
Celiac Artery
A
- pharynx
- esophagus
- stomach
- proximal duodenum (BEFORE entrance of common bile duct)
- liver, pancreas, gallbladder
9
Q
Superior Mesenteric Artery
A
- small intestine (DISTAL to entrance of common bile duct)
- cecum
- ascending colon
- appendix
- proximal 2/3 of transverse colon
10
Q
Inferior Mesenteric Artery
A
- distal 1/3 of transverse colon
- descending colon
- rectum
- upper part of anal canal
11
Q
Dual Blood Supply?
A
Duodenum, Transverse Colon, Anal Canal— hindgut & proctodeum