Go on. Explore!

lvl 0 • 0 xp

lvl 1

Home Market Decks Interests

AP2 Final - Chapter 20: Lymphatic System

memorize.ai (lvl 286)

(0)

10 cards

()

Section 1

Preview this deck

What are the lymph vessels, from smallest to largest?

Front

1 / 10

Perl

0.0

0 reviews

5			0
4			0
3			0
2			0
1			0

Active users

All-time users

Favorites

Last updated

6 years ago

Date created

Mar 1, 2020

Cards (10)

Section 1

(10 cards)

What are the lymph vessels, from smallest to largest?

Front

1. Blind-ended capillaries 2. Lymph collecting vessels 3. Trunks 4. Ducts

Back

How do lymphatic vessels compare to veins?

Front

- Same three tunics - Thinner walls - More internal valves

Back

The principle lymphoid organs are _____________________.

Front

lymph nodes

Back

What does the lymphatic system consist of?

Front

- Lymphatic vessels - Lymphoid tissues - Organs

Back

What are the lymphatic ducts, what area does each drain, and where does each duct empty into?

Front

- Right lymphatic duct: Right upper arm and right side of head and thorax, returns fluid to the right subclavian vein. - Thoracic duct: Rest of body, returns fluids to the blood in the left subclavian vein.

Back

What is the structure and what are the functions of a lymph node?

Front

- Structure - Bean-shaped, surrounded by fibrous capsule, trabeculae divide it into compartments, has a medulla and cortex - Functions - 1. filtration 2. activate the immune system

Back

What are the lymphatic trunks?

Front

- Paired lumbar - Bronchomediastinal - Subclavian and jugular trunks - Single intestinal trunk

Back

What is the structure and function of each lymphatic organ (other than nodes)?

Front

- Spleen: S: largest fibrous capsule, white pulp w/lymphocytes, red pulp F: site of lymphocyte proliferation, immune surveillance and response, cleanses the blood, stores breakdown products of RBCs, site of fetal RBC production, stores platelets - Thymus: S: bilobed F: T lymphocyte maturation - Tonsils: S: form a ring of lymphatic tissue around pharynx, contains follicles with germinal centers F: forming blind-ended crypts (chambers) that trap and destroy bacteria and particulate matter - Peyer's patches: S: isolated clusters of lymphoid tissue in small intestine F: destroy bacteria, generate memory cells - Appendix: S: hangs off large intestine F: destroy bacteria, generate memory cells

Back

What is the main function of the lymphatic system?

Front

Picks up interstitial fluid and leaked plasma proteins with blind-ended tubes brings the fluid back to the blood. It is a one way system.

Back

What are lacteals?

Front

Specialized lymph capillaries found in the intestinal mucosa. They absorb digested fat and deliver chyle to the blood.

Back