Ch. 7.9 Lymphatic System and Immunity
What is Cisterna
Serves as a storage area for purified lymph before this lymph returns to the bloodstream.
What is Immunity
Ability to resist an infection.
What is Lacteals
Specialized lymphatic capillaries that pick up digested fats or lipids.
What is Lymph
Thin, watery fluid composed of intercellular, or interstitial, fluid, forms when plasma diffuses into tissue spaces. Known as lymph when this fluid enters the lymphatic system.
What is Lymphatic capillaries
Pick up lymph at tissues throughout the body.
What is Lymph nodes
Or glands, located all over the body, usually in groups or clusters. Small, round, or oval masses ranging in size from that of a pinhead to that of an almond.
What is Lymphatic system
Consists of lymph, lymph vessels, lymph nodes, and lymphatic tissue. Works with the circulatory system to remove wastes and excess fluids from the tissues.
What is Lymphatic vessels
Located throughout the body in almost all of the tissues that have blood vessels.
What is Right lymphatic duct
Short tube that receives all of the purified lymph from the right side of the head and neck, the right chest, and the right arm.
What is Spleen
Organ located beneath the left side of the diaphragm and in back of the upper part of the stomach. Produces leukocytes and antibodies, destroys old red blood cells, stores erythrocytes to release into the bloodstream if excessive bleeding occurs, destroys thrombocytes (platelets), and filters metabolites and wastes from body tissues.
What is Thoracic duct
Large tube, drains the lymph from the rest of the body.
What is Thymus
Mass of lymph tissue located in the center of the upper chest.
What is Tonsils
Masses of lymphatic tissue that filter interstitial fluid.