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)

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2
Q

Midgut

A

distal duodenum to proximal 2/3 of transverse colon

SMA artery (L1)

Vagus n

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3
Q

Hindgut

A

distal 1/3 of transverse colon to anal canal above pectinate line

IMA (L3)

Pelvic n.

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4
Q

6th week

A

Midgut development:

physiologic midgut herniates through umbilical ring

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5
Q

10th week

A

Midgut development:

returns to abdominal cavity + rotates around superior mesenteric artery (SMA), total 270° counterclockwise

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