Blood supply to organs

Question 1

Splenic artery

Answer 1

• Branch of celiac trunk
• supplies pancreas, spleen and stomach
• Located posterior to body and tail of pancreas

Question 2

Splenic vein

Answer 2

• Drains into hepatic portal vein
• Drains pancreas, spleen and stomach
• Located posterior to body and tail of pancreas

Question 3

Arterial supply of esophagus

Answer 3

• Esophageal arteries (branches of thoracic aorta)
• L gastric art (branch of celiac trunk)
• L inferior phrenic art. (branch of abdominal aorta or celiac trunk)

Question 4

Venous drainage of esophagus

Answer 4

• esophageal veins drain into azygos v
• L gastric v drains into splenic vein or hepatic portal v
• L inferior phrenic v drains into IVC, L renal v or L adrenal v

Question 5

arterial supply of stomach- Greater curvature

Answer 5

• • R gastroomental- branch of gastroduodenal
• • L gastroomental- branch of splenic artery
• • short gastric- branches of splenic

Question 6

arterial supply of stomach- lesser curvature

Answer 6

• -R gastric art- branch of proper hepatic

- - L gastric art - branch of celiac trunk

Question 7

arterial supply of stomach- posterior wall

Answer 7

– Posterior gastric - branch of splenic

Question 8

venous drainage of stomach – Greater curvature

Answer 8

• • R gastroomental drains into sup. mesenteric v
• • L gastroomental drains into splenic v
• • Short gastric drains into splenic

Question 9

venous drainage of stomach – lesser curvature

Answer 9

• • R gastric v drains into hepatic portal v

- - L gastric v drains into splenic or hepatic portal

Question 10

venous drainage of stomach – posterior wall of stomach

Answer 10

– Middle gastric - drains into splenic

Question 11

arterial supply of duodenum and head of pancreas

Answer 11

• • Superior pancreaticoduodenal - branch of gastroduodenal

- - Inferior pancreaticoduodenal - branch of superior mesenteric art.

Question 12

venous drainage of duodenum and head of pancreas

Answer 12

• anterior superior pancreaticoduodenal: drains into sup. mesenteric or R gastroomental
• posterior superior pancreaticoduodenal: drains into hepatic portal v
• anterior inferior pancreaticoduodenal: drains into superior mesenteric v
• posterior inferior pancreaticoduodenal: drains into superior mesenteric v

Question 13

arterial supply of jejunum and ileum

Answer 13

• intestinal arteries- branches of the superior mesenteric artery

Question 14

venous drainage of jejunum and ileum

Answer 14

• intestinal veins- drain into superior mesenteric v

Question 15

Arterial supply of large intestine

Answer 15

Branches off superior mesenteric:
- Middle colic
- R colic
- Ileocolic
Branches off Inferior mesenteric:
- L colic
- Sigmoid
- Superior rectal

Question 16

Venous drainage of large intestine

Answer 16

Tributaries of Sup. mesenteric v:
- Middle colic
- R colic
- Ileocolic
Tributaries of Inferior mesenteric:
- L colic
- Sigmoid
- Superior rectal