It absorbs and transports fatty acids and fats as chylomicrons from the digestive system. Lymph nodes are located at intervals along the lymphatic system. The lymphatic system consists of a conducting network of lymphatic vessels, lymphoid organs, lymphoid tissues, and the circulating lymph. They lack a central pump (like the heart in the cardio vascular system), so smooth muscle tissue contracts to move lymph along through the vessels. Anatomy and Physiology of Animals/Lymphatic System. The lymphatic system is formed of lymphatic vessels and lymphatic organs through which lymph passes. Locate the subcapsular sinus and trabeculae, the latter bearing blood vessels. It is responsible for the removal of interstitial fluid from tissues into lymph fluid, which is filtered and brought back into the bloodstream through the subclavian veins near the heart. The circulatory and immune functions of the lymphatic system. The lymphatic system can be thought of as a second circulatory system that runs in parallel, and in conjunction, with the cardiovascular system; it extends into every major region of the body, with the notable exceptions of the brain and spinal cord (Moore and Bertram, 2018). The network of lymph vessels consists of the initial collectors of lymph fluid, which are small, valveless vessels, and goes on to form the precollector vessels, which have rudimentary valves that are not fully functional. lymph node: Small oval bodies of the lymphatic system, distributed along the lymphatic vessels clustered in the armpits, groin, neck, chest, and abdomen.They filter through lymph fluid. Skeletal muscle contractions also move lymph through the vessels. Abstract. It is a circulatory system for lymph fluid and the site of many key immune system … Stem cells destined to become B lymphocytes remain in the bone marrow as they mature, while prospective T cells migrate to the thymus to undergo further growth. The lymph vessels then take the chylomicrons into blood circulation, where they react with HDL cholesterols and are then broken down in the liver. These can rapidly multiply and release antibodies in response to bacteria, viruses, and a range of other stimuli from dead or dying cells and abnormally behaving cells such as cancer cells. In addition to serving as a drainage network, the lymphatic system helps protect the body against infection by producing white blood cells called lymphocytes, which help rid the body of disease-causing microorganisms. . Cerebral and pulmonary edema are especially problematic, which is why lymph drainage is so important. Lymph nodes are classified as "secondary" lymphoid organs, with the primary lymph organs being the thymus gland, tonsils, spleen, and bone marrow. Lymph nodes located at junctions between the lymph vessels also filter the lymph fluid to remove pathogens and other abnormalities. Fluid removal from tissues prevents the development of edema. The lymphatic system is a linear network of lymphatic vessels and secondary lymphoid organs. Lymph reenters the cardiovascular system at subclavian veins situated near the neck. The organs and tissues of the lymphatic system are the major sites of production, differentiation, and proliferation of two types of lymphocytes—the T lymphocytes and B lymphocytes, also called T cells and B cells, respectively. The system also includes all the structures dedicated to the circulation and production of lymphocytes, including the spleen, thymus, and bone marrow. Learn. The lymphatic system is a vascular network of tubules and ducts that collect, filter and return lymph to blood circulation. Match. The lymphatic system: A diagram of fluid movement in the lymphatic system. Lymph nodes are small, bean-shaped glands that are located along the lymphatic system (a system of vessels similar to arteries and veins through which lymph fluid travels). The lymphatic system plays a prominent role in immune function, fatty acid absorption, and removal of interstitial fluid from tissues. A lymph node is an organized collection of lymphoid tissue through which the lymph passes on its way to returning to the blood. Test. It occurs in 25 to 125 of every 1 million people worldwide. The lymphatic system consists of all lymphatic vessels and lymphoid organs. Lymphatic Vessels; Lymphatic vessels are structures that absorb fluid that diffuses from blood vessel capillaries into surrounding tissues. 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