Peritoneal Folding

Question 1

Peritoneal folding in horizontal section?

Answer 1

Horizontal section is cut from Horizontal and then seee from above.

We divide abdomen at 2 parts.
Supracolic: above transverse colon
Infracolic; below transverse colon

Question 2

What to see in supracolic?

Answer 2

Left Right

Stomach
Abdominal aorta liver
Spleen inf. Vena cava
L. Kidney r. Kidney

Question 3

How peritoneum line supracolic?

Answer 3

It shows that liver is covered almost fully so we can suggest that liver is come from anterior.
See fig 1 on Samsung notes

Question 4

What are sacs of peritoneum?

Answer 4

Greater sac: upto posterior side of liver where there is v small space.

Lesser sac; the small peritoneum after foramen.
(Epiploic foramen or foramen of winslow)

No anatomical division. Only for understanding

Question 5

Ligaments in supracolic compartment?

Answer 5

Between spleen and stomach:
gastrosplenic ligament

Between spleen and L.kidney:
lienorenal ligament

Question 6

Visceras of infracolic compartment.?

Answer 6

Left right
Descending colon Ascending colon
Abdominal aorta Superior vena cava

In centre small intestine

See fig 2 on samsung notes.

Question 7

Infolds of peritoneum? And name these folds.

Answer 7

There are 5 places in peritoneum in infracolic compartment where arteries passes so peritoneum inverts inside.

Median umblical folds
Medial umblical folds
Lateral umblical folds

Question 8

Lesser sac and infracolic compartment?

Answer 8

Lesser sac extends down infront of intestine.

See fig 3 in samnsung notes.

Question 9

Vertical section

Answer 9

See fig 4 on Samsung note

Question 10

What is THE MESENTRY

Answer 10

Peritoneum fold which connect small intestine with Posterior abdominal wall is called THE mesentry