GI Anatomy

Question 1

Retroperitoneal structures?

Answer 1

SAD PUCKER:
Suprarenal (adrenal) glands [not shown] Aorta and IVC
Duodenum (2nd through 4th parts) Pancreas (except tail)
Ureters [not shown]
Colon (descending and ascending) Kidneys
Esophagus (thoracic portion) [not shown] Rectum (partially) [not shown]

Question 2

What connects Liver to anterior abdominal wall

Answer 2

Falciform

Question 3

Falciform Ligament contains?

Answer 3

Ligamentum teres hepatis (derivative of fetal umbilical vein)

Question 4

What connects Liver to duodenum?

Answer 4

Hepatoduodenal

Question 5

Hepatoduodenal contains?

Answer 5

Portal triad: proper hepatic artery, portal vein, common bile duct

Question 6

Ligament may be compressed between thumb and index finger placed in omental foramen to control bleeding. Which Ligament and what is this called?

Answer 6

Hepatoduodenal, Pringle maneuver

Question 7

What connects Liver to lesser curvature of stomach?

Answer 7

Gastrohepatic

Question 8

Gastrohepatic contains?

Answer 8

Gastric arteries

Question 9

This ligament may be cut during surgery to access lesser sac?

Answer 9

Gastrohepatic

Question 10

What connects Greater curvature and transverse colon

Answer 10

Gastrocolic

Question 11

Gastrocolic contains?

Answer 11

Gastroepiploic arteries

Question 12

What connects Greater curvature and spleen?

Answer 12

Gastrosplenic

Question 13

What connects Spleen to posterior abdominal wall

Answer 13

Splenorenal

Question 14

Splenorenal contains?

Answer 14

Splenic artery and vein

Question 15

Where is the Meissner plexus? What else does it do?

Answer 15

Submucosal nerve plexus

Secretes Fluid

Question 16

Where is the Auerbach/Mysenteric Plexus located? What else does it do?

Answer 16

Muscularis externa

Motility

Question 17

Ulcers vs Erosions

Answer 17

Ulcers go through the sUbmucosa

Question 18

Slowest electric rhythm?

Answer 18

Stomach

Question 19

What is the histology of Esophagus?

Answer 19

Nonkeratinzed Stratified Squamous Epithelium

Question 20

How do you know you are histologically at the stomach?

Answer 20

Gastric Glands

Question 21

How do you know you are histologically at the Duodenum?

Answer 21

Brunner’s GLands

Question 22

How do you know you are histologically at the Ileum?

Answer 22

Peyer patches

Question 23

Largest number of goblet cells in the small intestine?

Answer 23

Ileum

Question 24

crypts of Lieberkühn but no villi?

Answer 24

Colon

Question 25

Explain the branches of the aorta from Celiac trunk to the Bifurcation

Answer 25

T12-L4

Question 26

transverse portion (third part) of the duodenum is entrapped between SMA and aorta

Answer 26

Superior mesenteric artery (SMA) syndrome

Question 27

Foregut and Midgut parasymp innervation

Answer 27

Vagus

Question 28

parasymp innervation for Hind gut

Answer 28

Pelvic

Question 29

splenic flexure is a watershed region between ?

Answer 29

SMA and IMA

Question 30

Foregut Supplies esophagus and duodenum, what other organs does it supply?

Answer 30

liver, gallbladder, pancreas, spleen (mesoderm)*

Question 31

What level is celiac trunk?

Answer 31

T12

Question 32

What level is midgut?

Answer 32

L1

Question 33

What level is hindgut?

Answer 33

L3

Question 34

Branches of celiac trunk?

Answer 34

common hepatic, splenic, and left gastric

Question 35

if splenic artery is blocked, which artery is most susceptible to damage?

Answer 35

Short gastrics have poor anastomoses

Question 36

Which arteries have good anastomoses

Answer 36

Left and right gastroepiploics ƒ

Left and right gastrics

Question 37

Unencapsulated lymphoid tissue that contain M cells?

Answer 37

Peyer’s Patches

Question 38

Cells in the Peyer’s Patches produce?

Answer 38

Secretory IgA