By: Lena Andrist and Katie Donelson
-Responsible for the removal of interstitial fluid from tissues. -Absorbs and transports fatty acids from the digestive system. -Transports white blood cells to and from the lymph nodes into the bones. -An important role of the Lymphatic system is to return plasma proteins into the bloodstream. -They are a defense mechanism against the body, they filter out micro organisms and foreign substances. FUNCTION OF LYMPHATIC SYSTEM
-Lymph nodes; they filter lymph and fight infection -Thoracic duct; they return cleansed lymph to blood supply -Thymus gland; generates T cell lymphocytes -Spleen; lymphatic tissues filter blood and removes cellular debris -Galt; surrounds intestines, counteracts infection and absorbs fats -Lymphatic vessels; act as reservoirs for plasma and other substances -Bone Marrow; generates B cell lymphocytes ORGANS OF LYMPHATIC SYSTEM
-Located in under arms, groin, and neck -Children between the ages of 10 to 12 years old usually have larger lymph nodes. -The lymph nodes filter and monitor the lymph for foreign particles. -When you have a cold or any other infection your lymph nodes, may swell, as lymphocytes fight germs -Human lymph nodes are bean-shaped -They range in size from a few millimeters to about 1–2 cm in their normal state -Lymph nodes are guards of B, T, and other immune cells LYMPH NODES
-A two lobed organ located in upper chest -The thymus gland is a pink-grey organ that lies underneath the top of the breast bone. -It’s primary function is to mature lymphocytes -The T cells travel from the bone marrow to the thymus gland to mature -The thymus also produces a hormone called thymosin -After the age of puberty it gradually becomes smaller. THYMUS
-Located in the upper far left part of the abdomen, to the left of the stomach -It acts as a filter for blood -The spleen also helps fight certain kinds of bacteria -It is the largest single mass of lymphoid tissue in the body -It does however sometimes need to be removed: it can suffer hidden injury SPLEEN
Bone marrow plays an important role in this system; Bone marrow produces lymphocytes that are then transferred to the thymus to mature. This is why when a person who has an illness where bone marrow is destroyed the persons immune system is very immensely weakened (sudden lack of white blood cells) BONE MARROW
-In the lymph nodes there are armies of white blood cells (lymphocytes) that destroy germs -There are two kinds of lymphocytes; B-cells and T-cells -B-cells develop into plasma cells that make antibodies to attack bacteria -There are two kinds of T cells; Helper and Killer -Helper T-cells alarm killer T-cells to multiply -Killer T-cells destroy the cells that the helpers have identifited CELLS
-A type of blood cancer -Happens when lymphocytes begin behaving abnormally -2 forms Hodgkin and Non Hodgkin -The main difference between the two is in the specific lymphocyte each involves. -Lymphoma typically is present as a solid tumor of lymphoid cells -This cancer can be curable depending on the type, and stage of the disease % of patients with an aggressive form of Lymphoma can be cured LYMPHOMA
-Is an accumulation of lymphatic fluid that causes swelling. -Mostly in arms and legs -Develops when lymphatic vessels are missing, impaired, damaged or when lymph nodes have been removed -Symptoms include; swelling of limbs, feelings of heaviness or tightness in limbs and restricted range of motion. -Treatment includes; complex decongestive therapy. -Longer term infection of elephantitis can lead to Lymphoedema. LYMPHOEDEMA
-This system consists of organs, ducts, and nodes The lymphatic system is sometimes called your body’s sewer -The Lymphatic system is network of “pipes” that drains waste from the cells -These ‘pipes’ of the lymphatic system are called lymphatics or lymph vessels -The lymphatic system removes excess fluid, and waste products from the spaces between the cells FUN FACTS
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