Embryo Flashcards
1
Q
Foregut
A
pharynx to proximal duodenum
liver, gallbladder, pancreas, spleen
Celiac artery (T12/L1)
Vagus n
-*Pharynx (vagus nerve only) and lower esophagus (celiac artery only)
2
Q
Midgut
A
distal duodenum to proximal 2/3 of transverse colon
SMA artery (L1)
Vagus n
3
Q
Hindgut
A
distal 1/3 of transverse colon to anal canal above pectinate line
IMA (L3)
Pelvic n.
4
Q
6th week
A
Midgut development:
physiologic midgut herniates through umbilical ring
5
Q
10th week
A
Midgut development:
returns to abdominal cavity + rotates around superior mesenteric artery (SMA), total 270° counterclockwise