Abdomen specific components and drainage

Question 1

What are lacteals?

Answer 1

Specialized lymphatic capillaries in the villi in the small intestine that absorb dietary fats and fat-soluble vitamins as well as large proteins, molecules that are too large to be absorbed by the capillaries of the cardiovascular system.

Question 2

What is Chyle (G. milk)?

Answer 2

The lymphatic fluid containing the products of digestion absorbed by lacteals in the small intestine. It is opaque and whitish in appearance.

Question 3

What is the cistern chyli?

Answer 3

beginning of the thoracic duct

Question 4

How is the cisternae chyli formed?

Answer 4

left lumbar trunk
right lumbar trunk
intestinal trunk

Question 5

What does the intestinal trunk drain?

Answer 5

lymphatic fluid from organs within the peritoneal cavity to the cisterna chyli. Its drainage pattern follows the arteries, but flows in the opposite direction.

Question 6

What does the right and left lumbar trunks transport?

Answer 6

transport lymph from the lower limbs, pelvis, primary retroperitoneal organs, and body wall to the cisterna chyli.

Question 7

Where is the cistern chyli?

Answer 7

anterior to to L1 and L2