Lymph or lymph fluid is a colorless body fluid, which flows through a separate vasculature: the lymphatic system . Lymph consists of tissue fluid. In the lymph are also a few white blood cells (including in particular the lymphocytes ) and by lymphnodes is filtered, so it is an important part of the immune system of the body. Almost all vertebrates have lymph in their bodies.
Blood in the arteries is high in protein and is under some pressure. Through whichblood leaks always some fluid in the capillary blood vessels away because thatsemipermeable be. The final moisture balance between blood and lymph is by osmosisdetermined. The balance is disturbed, then lymphedema occur.
The main functions of the lymphatic system , the tissue drainage , fat absorption from the small intestine and the immune system.
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