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This body system consists of vessels and organs that absorb excess interstitial fluid, absorb fats in the form of lipoproteins, and continually produce lymphocytes.
These cells are made in the bone marrow but continue to divide in the lymphatic system when stimulated by antigens.
This is the name for the fluid inside lymphatic vessels. It consists of interstitial fluid, which is made up of water, solutes, and cellular wastes.
These are the lymphatic vessels in the villi of the small intestine that absorb chylomicrons.
This large, lymphatic duct returns collected lymph from below the thorax, from the left arm, and from the left side of the head and neck to the left subclavian vein.
Right lymphatic duct
This large, lymphatic duct returns collected lymph from the right side of the head and neck and the right arm to the right subclavian vein.
Compression by skeletal muscles
This is responsible for the movement of lymph through lymphatic vessels. Backflow is prevented by the presence of one-way valves.
This is the general name for the organs associated with the lymphatic system. They can be primary or secondary.
Red bone marrow
This is what produces all types of blood cells. It is a primary lymphatic organ. In adults, it is found in the sternum, vertebrae, ribs, pelvic girdle, and proximal ends of the humerous and femur bones.
This is the bilobed organ found in the thoracic cavity directly behind the sternum and in front of the trachea. It is a primary lymphatic organ. It produces thymosin and helps with the maturation of T cell lymphocytes. If any T cells are found to be self-reactive, then they die in the thymus and don't get released into the blood.
This secondary lymphatic organ is also the largest lymphatic organ. It is located in the upper left abdominal quadrant just below the diaphragm and posterior to the stomach. It has two regions: red pulp and white pulp.
This part of the spleen surrounds the venous sinuses that filter blood. Here, macrophages engulf pathogens and worn out erythrocytes.
People with this disease sometimes have their spleen purposely removed in order to prolong the life of their abnormal RBCs.
This part of the spleen is relatively thin, and an infection or hard blow can cause the spleen to burst. If this happens, other organs like the liver can compensate, but the person will have a slightly higher risk of infection.
These structures occur at specific places along lymphatic vessels and filter lymph as it passes through. They are encapsulated and divided into compartments by connective tissue.
These cell fight off infection and cancer cells in the lymph as it passes through the lymph nodes.
These are masses of lymphatic tissue not surrounded by a capsule. The tonsils fall into this category.
These lymphatic nodules are located at the back of the mouth on either side of the tongue below the soft palate.
Pharyngeal tonsils or adenoids
These lymphatic nodules are located in the upper portion of the pharynx.
There are many of these lymphatic nodules along the intestinal wall and in the appendix.
This is a surgery used to treat breast cancer. In it, the afflicted breast, underlying muscles, and nearby axillary lymph nodes are removed. This can obstruct the normal flow of lymph in the nearby arm resulting in edema.
This disease is caused by the parasitic worm Wuchereria bancrofti that grows in and obstructs lymphatic vessels. This leads to localized edema.
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