LymphLymphatic system, an interconnected series of spaces, ducts, and glands with in the body which carry lymph, a fluid which is constantly being circulated throughout the body. Lymph is similar in composition to a clear dilute blood plasma without red blood cells. It is formed in the blood capillaries and fills all spaces between the cells of the body. From the intercellular spaces the lymph is emptied into the lymph capillaries, from which it passes into larger lymphatic vessels. These vessels join together to form larger and larger vessels, finally forming the thoracic and right lymphatic ducts which lie immediately under the collar bone. Lymph nodes are found along the ducts, occurring in groups imbedded in connective tissue. These nodes are small bean-shaped aggregations of lymph nodules and cords between which lymph flows from one lymph vessel to another. The lymph itself contains white blood cells which combat bacteria. The lymph glands filter out infectious material and other debris from the tissues and act as the body's defense against the spread of infection. Lymphatic tissue is also found in the digestive tract: and the lacteals, which absorb fat from digested food, of the small intestines are the smallest form. The circulation of lymph does not depend on the action of the heart, but is accomplished by the movement of body muscles, such as in breathing and walking. Certain disorders may affect the lymphatic system, for example infectious mononucleosis and glandular fever in which the lymph nodes become tender. In agranulocytosis, the production of white blood cell stops. The lymph glands may become inflamed. Septic sores on toes and fingers may result in acute inflammation of the glands in other parts of the body through spread of the infection. Tuberculosis frequently causes inflammation of the lymph glands. Malignant and benign tumors may occur in the lymph glands or the glands may enlarge as a result of malignant growths carried to them from other parts of the body. Cysts often from in the glands when the lymphatic vessels are dilated. These statements have not been evaluated by the Food And Drug Administration. A weakened lymphatic system do to trauma, injury, unhealthy habits or anatomically can result in sometimes serious consequences. Proper treatment will usually relieve the symptoms evolving the lymph glands. Reference: Medical and Health Encyclopedia volume 9 pages 1231-1232. |
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