Lymphatic System

Lymphatic System - www.medicalppt.blogspot.com THE...

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www.medicalppt.blogspot.com THE LYMPHATIC SYSTEM Dr. Ismail K Memon Class of 2012 April, 2009 PUBLISHED BY www.medicalppt.blogspot.com
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www.medicalppt.blogspot.com The Lymphatic System The lymphatic system is a specialized component of the circulatory system that monitor body surfaces and internal fluid compartment and reacts against potentially harmful substances. It consists of: Lymph. Lymphatic vessels. Lymphatic cells. Lymphatic nodules. Lymphoid organs. Ismail K Memon AKU
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www.medicalppt.blogspot.com Functions of the lymphatic system Maintenance of the pressure and volume of the extracellular fluid. Removal of large molecular weight substances/ proteins which cannot be absorbed by the blood capillaries Immunity. Absorption. Ismail K Memon
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www.medicalppt.blogspot.com Lymph Interstitial fluid: Fluid that fills the spaces around cells. Lymph Clear, watery fluid found in the lymphatic vessels. Plasma filters into the interstitial spaces from blood flowing through the capillaries. Much of this interstitial fluid is absorbed by tissue cells or reabsorbed by the blood, small amount of interstitial fluid is left behind. It is twice as blood in our body. Ismail K Memon AKU
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www.medicalppt.blogspot.com Lymphatic Vessels Lymphatic vessels drain interstitial fluid (cells and large macromolecules)from tissues to venous blood. Lymphatic vessels are found in most of tissues and organs in the body but absent from: CNS. Eye ball. Internal ear. Epidermis. Cartilage. Bone. Ismail K Memon AKU
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www.medicalppt.blogspot.com Structure of lymphatics The lymphatics resemble veins in structure with these exceptions: Lymphatics have thinner walls. Lymphatics contain more valves. Lymphatics contain lymph nodes located at certain intervals along their course. Ismail K Memon AKU
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Lymphatic circulation Blind ended lymphatic capillaries. Afferent lymphatics.
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Lymphatic System - www.medicalppt.blogspot.com THE...

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