Ch. 7.9 Key Terms
What is cisterna?
an enlarged pouchlike structure called the cisterna chyli serves as a storage area for purified lymph before this lymph returns to the bloodstream.
What is lymphatic system?
lymphatic system consists of lymph, lymph vessels, lymph nodes, and lymphatic tissue. This system works in conjunction with the circulatory system to remove wastes and excess fluids from the tissues
What is thymus?
The thymus is a mass of lymph tissue located in the center of the upper chest. It atrophies (wastes away) after puberty and is replaced by fat and connective tissue.
What is immunity?
immunity to a disease is achieved through the presence of antibodies to that disease in a person's system.
What is lymphatic vessels?
Lymphatic vessels are located throughout the body in almost all of the tissues that have blood vessels
What is tonsils?
he tonsils are masses of lymphatic tissue that filter interstitial fluid.
What is lacteals?
In the area of the small intestine, specialized lymphatic capillaries, called lacteals, pick up digested fats or lipids.
What is right lymphatic duct?
The right lymphatic duct is the 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 lymph?
a colorless fluid containing white blood cells, which bathes the tissues and drains through the lymphatic system into the bloodstream.
What is spleen?
The spleen is an organ located beneath the left side of the diaphragm and in back of the upper part of the stomach. It produces leukocytes and antibodies, destroys old erythrocytes (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 lymph nodes?
small, bean-shaped organs that are part of the body's immune system.
What is thoracic duct?
The thoracic duct, a much larger tube, drains the lymph from the rest of the body. It empties into the left subclavian vein.