Wk3 GI Development Flashcards Preview

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Flashcards in Wk3 GI Development Deck (31):
1

lining of GI and related glands from what embryonic tissue?

endoderm

2

stomodeum (future mouth)

proctodeum (anal pit)

from what embryonic tissue?

ectoderm

3

smooth muscle and CT of GI tract form what embryonic tissue?

splanchnic mesoderm

4

Where does vagus inervation switch to pelvic splanchnic innervation in GI tract?

left colic flexure

5

polyhydramnios?

esophageal atresia/stenosis

6

respiratory distress?

tracheoesophageal fistula

7

Mucous cells in GI epithelium come from?

endoderm

8

Muscularis mucosa derived from?

mesoderm

9

Myenteric nerve plexus derived from?

neuroectoderm?

**not splanchnic mesoderm

10

Failure of apoptosis results in:

esophageal stenosis

11

Arterial supply for developing liver?

celiac artery

**in dorsal mesogastrium

12

Arterial supply for ascending colon?

superior mesenteric artery

13

Ventral mesentary derived from?

transverse septum

14

Liver's visceral peritoneum formed by?

ventral mesentery

15

Anterior vagal trunk from left or right vagus nerve?

left

16

Spleen develops in the ______ mesentery.

dorsal

17

Spleen develops with which part of the developing GI tract?

foregut

18

Blood supply to the spleen?

celiac trunk

19

Hypertrophy of CIRCULAR smooth muscle of stomach outlet?

pyloric stenosis

20

Non-bilious projectile vomiting?

pyloric steniosis

21

Bilious vomitting due to failure of recanalization of the intestine?

intestina atresia or stenosis

22

Liver bud origin?

endoderm

23

Gallbladder, cystic duct, and ventral pancreas origin?

Endodermal hepatic diverticulum

24

Interlobular connective tissue of the liver origin?

transverse septum

25

Accessory pancreatic duct from which pancreas?

dorsal

26

omphaloenteric remnant (yolk stalk)

2 ft proximal to iliocecal junction in adult:

Meckel diverticulum

27

Due to persistent umbilical herniation:

congenital omphalocele

28

Exposed intestines due to abnormal lateral body wall folding?

gastroschisis

29

Proctoduem lymphatics drain to:

superficial inguinal nodes

30

Hindgut lymphatics drain to:

inferior mesenteric nodes

31

Failure of neural crest cells to migrate into the splanchnic mesoderm of the distal colon?

Hirschsprung's disease

(aganglionic megacolon)