Lymphatic System Review

Front

What are lacteals?

Back

Lacteals are specialized lymphatic capillaries located in the villi of the small intestine that absorb fats and fat-soluble vitamins from the digestive system.

Front

What is the primary function of the lymphatic system?

Back

The primary function of the lymphatic system is to return excess interstitial fluid to the bloodstream, support the immune system, and absorb fats from the digestive tract.

Front

What is lymph?

Back

Lymph is a clear fluid that circulates through the lymphatic system, containing white blood cells, proteins, and waste products.

Front

How do lymphatic vessels compare to veins?

Back

Lymphatic vessels are similar to veins in that they have thin walls and valves to prevent backflow, but they carry lymph instead of blood.

Front

What is lymphangitis?

Back

Lymphangitis is an inflammation of the lymphatic vessels, often caused by an infection.

Front

Where does the thoracic duct drain lymph?

Back

The thoracic duct drains lymph into the left subclavian vein.

Front

What role do lymph nodes play in the lymphatic system?

Back

Lymph nodes filter lymph and contain immune cells that help fight infections.

Front

What is the difference between the lymphatic system and the circulatory system?

Back

The lymphatic system is a network of vessels that transport lymph, while the circulatory system transports blood throughout the body.

Front

What causes edema?

Back

Edema is caused by an accumulation of excess fluid in the interstitial spaces, often due to lymphatic obstruction or increased capillary permeability.

Front

What is the function of the spleen in the lymphatic system?

Back

The spleen filters blood, removes old or damaged red blood cells, and helps produce immune responses.