The Lower GI tract

Question 1

What are the 4 parts of the colon?

Answer 1

Ascending colon
Transverse colon
Descending colon
Sigmoid colon

Question 2

Describe the ascending colon

Answer 2

It travels superiority from the right lower to right upper quadrant. It then forms a 90° bend into the transverse colon, this angle is the right colic flexure.

Question 3

Describe the transverse colon.

Answer 3

Travels from the right upper to the left upper quadrant where it forms a 90° bend into the descending colon, this angle is known as the left colic flexure.

Question 4

Describe the descending colon.

Answer 4

Travels from upper left quadrant to the left lower quadrant. It then becomes the sigmoid colon.

Question 5

Describe the sigmoid colon

Answer 5

Is S-shaped and connects descending colon to the rectum.