The Lymphatic System Essay examples -- essays research papers

The Lymphatic SystemThe Lymphatic System is very important. It helps with theCardiovascular system, and our immune systems. The Lymphatic System is made upof two semi-independent parts. One is a network of lymphatic vessels. Theother part is various lymphoid tissues and organs inbuiltly over the body. Thefunctions of the Lymphatic System transporting fluids that have escaped from theblood vascular system, and the organs house phagocytic cells and lymphocytes.Lymphatic vessels are an elaborate system of drain vessles thatcollect the excess protein-containing fluid and returns it to the bloodstream..Once an interstitial fluid enters the lymphatics it is called lymph. Thelymphatic vessels form a one way system in which lymph flows only towards theheart. This entire transport sytem starts in the lymph capillaries. These arevery commmon, usually occur in the places blood capillaries occur. Lymphcapillaries are not found in bone, teeth, bone marrow, and entire cardinalnervous system. Lymphatic capillaries are very permeable. The endothelial cellsthat make up the walls of the capillaries are not tightly joined. Filamentanchor the endothelium cells so they can buoy expand. Pathogens can spread throughthe body through the lymphatic stream.There are many cells in the lymphoid tissue. One type is lymphocytes,which are reffered to often as T or B cells. Plasma cells are antibody-produci...