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Flashcards in Small Intestine Deck (17):
1

Length of duodenum

10 inches
25 cm

2

parts of the duodenum

1st - superior
2nd - descending
3rd - horizontal
4th - ascending

3

Characteristic of Superior part of duodenum

5 cm
lies anterolateral to the body of L1

4

Characteristic of Descending part of duodenum

7 to 10 cm
descends along the right side of L1 to L3

5

Characteristic of Horizontal part of duodenum

6 to 8 cm
crosses L3

6

Characteristic of Ascending part of duodenum

5 cm
begins at L3 rises superiorly to L2

7

Relationships of 2nd part of duodenum

laterally - right colic flexure
medially
1. head of pancreas
2. anastomoses of superior and inferior pancreaticoduodenal vessels
3. bile duct and main pancreatic duct

8

Blood supply of duodenum

Upper - superior pancreaticoduodenal from gastroduodenal
Lower - inferior pancreaticoduodenal from SMA

9

Venous drainage of duodenum

1. superior pancreaticoduodenal - drains into portal vein
2. inferior pancreaticoduodenal - drains into SMV

10

Common location of duodenal ulcer

anterior wall first part of duodenum

11

What artery causes bleeding of gastric ulcer

left gastric artery

12

what artery causes bleeding of duodenal ulcer

gastroduodenal artery

13

What segment of duodenum can ligament of trietz be found

4th segent
ascending segment

14

length of jejunum and ileum

20 ft
6 meters

15

Location of jejunum

LUQ

16

Location of ileum

RLQ

17

Blood supply of jejunu and ileumm

jejuna - ileal arteries from SMA
formation of arterial arcades and vasa recta