Abdominal Viscera And Collateral Circulation

Question 1

Boundaries of omental foramen:
Anterior – ____ vein, _____ _____- artery, and _____ ____ duct (all within the _________ ___)
Posterior – _____ and ____ crus of the diaphragm
Superior – ______ lobe of the liver
Inferior – first part of _________

Answer 1

Boundaries of omental foramen:
Anterior – portal vein, proper hepatic artery, and common bile duct (all within the hepatoduodenal lig.) Posterior – inferior vena cava and right crus of the diaphragm Superior – caudate lobe of the liver Inferior – first part of duodenum

Question 2

GI Venous Drainage:
Capillaries—-> _____ vv., ____ v., _____ _____ v., ______ _____ v. —–> ______ _____ vein—-> ______ _____ in liver—-> ______ veins—–> ____

Answer 2

GI Venous Drainage:
Capillaries—-> GASTRIC vv., SPLENIC v., SUPERIOR MESENTERIC v., INFERIOR MESENTERIC v. —–> HEPATIC PORTAL vein—-> VENOUS SINUSOIDS in liver—-> HEPATIC veins—–> IVC

Question 3

Portal vein drains embryonically ____ organs (i.e. Adult ______ and _____ ________ organs.

IVC drains embryonically ______ organs (i.e. Adult ____ ______).

Answer 3

Portal vein drains embryonically PERITONEAL organs (i.e. Adult PERITONEAL and SECONDARY RETROPERITONEAL organs.

IVC drains embryonically RETROPERITONEAL organs (i.e. Adult PRIMARY RETROPERITONEAL).

Question 4

Portal system anastamoses:
Left gastric vein—-> ____ vein (can cause ______ ____)
Superior rectal veins—> ____ and _____ ____ veins (can cause _____ _____)
Paraumbilical veins—-> _____ veins (Can cause ____ ____)
Colic veins—> _______ veins

Answer 4

Portal system anastamoses:
Left gastric vein—-> AZYGOS vein (can cause ESOPHAGEAL VARICES)
Superior rectal veins—> INFERIOR and MIDDLE RECTAL veins (can cause INTERNAL HEMORRHOIDS)
Paraumbilical veins—-> EPIGASTRIC veins (Can cause CAPUT MEDUSAE)
Colic veins—> RETROPERITONEAL veins

Question 5

Lymphatic drainage in GI system:

_____ _____ —–> _____ ____ ____ —> ____ ____ —-> ____ ____

Answer 5

Lymphatic drainage in GI system:

LYMPHATIC CHANNELS —–> INTESTINAL LYMPHATIC TRUNKS —> CYSTERNA CHYLI —-> THORACIC DUCT

Question 6

Hiatal hernia:
Sliding type: causes _____

Paraesophageal type: no _____

Answer 6

Hiatal hernia:
Sliding type: causes REGURG

Paraesophageal type: no REGURG