Infracolic Organs

Question 1

Infra colic organs?

Answer 1

Jejunum
Ileum
Large intestine
Rectum

Question 2

Superior mesenteric artery supplies blood to?

Answer 2

All of small intestine, caecum, ascending colon, hepatic flexure and 1/3 of transverse colon

Question 3

Inferior mesenteric artery supplies blood to?

Answer 3

2/3 transverse colon, descending colon, sigmoid colon

Question 4

Venous drainage of infracolic organs?

Answer 4

Tributaries of portal vein

Question 5

Location of jejunum and ileum?

Answer 5

Jejunum-umbilical left lateral and left iliac regions

Ileum- hypo gastric umbilical and right lateral and right iliac regions

Question 6

Contents of the mesentery of small intestine?

Answer 6

Branches and tributaries of mesenteric artery and vein
Numerous mesenteric lymph nodes and lymphatic vessels
Fat and nerves

Question 7

Abdominal regions of large intestine?

Answer 7

Caecum and veriform appendix, ascending colon, transverse colon, descending colon, sigmoid colon and left and right colic flexures

Question 8

Pelvic and perineal regions of large intestine?

Answer 8

Sigmoid colon

Rectum

Question 9

Position of caecum and veriform appendix?

Answer 9

Retrocecal/ retrocolic- 64%

Pelvic 32%

Question 10

What type of organ are the ascending descending and transverse colon?

Answer 10

Ascending- retro 25% mesocolon
Transverse- intra 50cm
Descending-retro 33% mesocolon

Question 11

Where does the sigmoid colon terminate?

Answer 11

S3

Question 12

Origin of superior mesenteric artery

Answer 12

L1

Question 13

Origin of inferior mesenteric artery?

Answer 13

L3

Question 14

Where does portal vein begin?

Answer 14

At the confluence of Te superior mesenteric vein and splenic vein other tributaries left and right gastric veins