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Flashcards in GI1 Deck (20):
1

Foregut

Pharynx to duodenum

2

Midgut

Duodenum to transverse colon

3

Hindgut

Distal transverse colon to rectum

4

Developmental defects of Anterior Abdominal wall due to failure of:
- Rostral Fold Closure

Sternal Defects

5

Developmental defects of Anterior Abdominal wall due to failure of:
- Lateral Fold Closure

Omphalocele
Gastroschisis

6

Duodenal Atresia

Failure to Recanalize (trisomy 21)

7

Jejunal, ileal, colonic atresia due to?

Vascular accident (apple peal atresia)

8

Midgut Development:
- 6th Week

Midgut herniates through umbilical ring

9

Midgut Development:
- 10th Week

Returns to Abdominal cavity
Rotates around the Superior Mesenteric Artery (SMA)

10

What is the most common Tracheoesophageal anomaly?

* EA w/ TEF
Esophageal Atresia (EA) with Distal Tracheoesophageal Fistula (TEF)

11

Cause of congenital pyloric stenosis.

Hypertrophy of the Pylorus causing Obstruction

12

Signs of Pyloric Stenosis.

Palpable "olive" mass in Epigastric Region
Nonbilious PROJECTILE vomiting at 2 weeks

13

When do you most often see Pyloric Stenosis?

Firstborn MALE

14

What is the Pancreas derived from?

Foregut

15

What does the Ventral Pancreatic buds contribute to?

Pancreatic head
Main pancreatic duct
*uncinate process

16

What is the uncinate process formed by?

Ventral bud Alone

17

What does the dorsal pancreatic bud become?

Everything else:
-Body
-Tail
-Isthmus
-Accessory pancreatic duct

18

Pancreas divisum.

Ventral and Dorsal parts FAIL to fuse at 8 Weeks

19

Where does the Spleen arise from?

Mesentery of stomach (hence mesodermal)

20

What supplies the Spleen?

Foregut - Celiac Artery