Duodenum

Question 0

C shaped tube around the head of the pancreas - 25cm long

Answer 0

Duodenum
Mucous membrane - thick
First part - smooth

Question 1

First and shortest part of the small intestine, widest and most fixed part

Answer 1

Duodenum
- partially retroperitoneal
Begins: pylorus
Ends: duodenojejunal flexure

Question 2

Circular folds in the duodenum

Answer 2

Plicae circulares

Question 3

Primary site for absorption of nutrients from ingested materials

Answer 3

Duodenum

Question 4

Parts of the duodenum

Answer 4

Superior
Descending
Horizontal
Ascending

Question 5

Part of the superior duodenum that has a mesentery and is mobile

Answer 5

First 2 cm

Question 6

Part of the superior duodenum that has no mesentery, retroperitoneal and is immobile

Answer 6

Distal 3 cm

Question 7

Duodenal cap

Answer 7

Ampulla

Question 8

Part of the duodenum that curves around the head of the pancreas - 7 to 10 cm. lies to the right and parallel to the IVC. Retroperitoneal

Answer 8

Descending part

Question 9

Bile and main pancreatic ducts unite to form

Answer 9

Hepatopancreatic ampulla

Question 10

Hepatopancreatic ampulla opens on and eminence called

Answer 10

Major duodenal papilla of Vater

Question 11

Accessory pancreatic duct opens into the

Answer 11

Minor duodenal papilla

Question 12

Part of the duodenum that runs transversely to the left - pass over IVC, aorta and L3

Answer 12

Horizontal/ inferior part

Question 13

Horizontal part of the duodenum is crossed over by what surfaces

Answer 13

SMVessels and root of mesentery

Question 14

Horizontal part of the duodenum passes over what surfaces

Answer 14

IVC
Aorta
L3

Question 15

Part of the duodenum that runs superiorly along the left side of aorta - 5cm

Answer 15

Ascending part

Question 16

Asc duodenum curves anteriorly to join the jejunum where

Answer 16

Duodenojejunal flexure

Question 17

Duodenojejunal flexure is supported by what ligament

Answer 17

Ligament of treitz

Question 18

Attachment of a suspensory muscle of duodenum

Answer 18

Ligament of treitz

Question 19

Contraction of this widens the duodenojejunal flexure therefore allowing movements of intestinal contenta

Answer 19

Ligament of treitz

Question 20

Blood supply of digestive tract: proximally, extending orad including abdominal part of esophagus

Answer 20

Celiac trunk

Question 21

Blood supply of digestive tract: distally, extending aborad to L colic flexure

Answer 21

SMA

Question 22

Anterior SUPERIOR pancreaticoduodenal artery is a branch of

Answer 22

Gastroduodenal a

Question 23

Anterior INFERIOR pancreaticoduodenal artery is a branch of

Answer 23

SMA

Question 24

Supplies duodenum PROXIMAL to entry of bile duct

Answer 24

Anterior SUPERIOR pancreaticoduodenal artery

Question 25

Supplies duodenum DISTAL to entry of bile duct

Answer 25

Anterior INFERIOR pancreaticoduodenal artery

Question 26

Blood supply of duodenum

Answer 26

Anterior and posterior of the superior and inferior pancreaticoduodenal artery

Question 27

Venous drainage of duodenum

Answer 27

Superior and inferior pncreaticoduodenal vein

Question 28

SUPERIOR pancreaticoduodenal vein drains to

Answer 28

Portal vein (direct drainage)

Question 29

INFERIOR pancreaticoduodenal vein drains to

Answer 29

SMV (indirect blood flow - SMV and splenic)

Question 30

Lymphatic drainage of duodenum

Answer 30

Ante LV - pancreaticoduodenal LN

Poste LV - SMV LN

Question 31

Efferent LV from duodenal LN drain into

Answer 31

Celiac LN

Question 32

Nerve supply of duodenum is derived from

Answer 32

Vagus
Greater and lesser splanchnic nerves
- by way of celiac and SM Plexus

Question 33

Erosion of duodenal mucosa

Answer 33

Duodenal ulcer

Question 34

65% of cases of ulcer occurs in what part of the duodenum

Answer 34

Superior part