Category: Lp-Lz
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Lytic
Suffix having to do with lysis (destruction), as in hemolytic anemia, the excessive destruction of red blood cells leading to anemia.
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Lysis
Destruction. Hemolysis is the destruction of red blood cells with the release of hemoglobin; bacteriolysis is the destruction of bacteria; etc. Lysis can also refer to the subsidence of one or more symptoms of an acute disease as, for example, the lysis of fever in pneumonia.
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Lymphoma
A tumor of the lymphoid tissue. The major types of lymphoma are Hodgkin’s disease and non-Hodgkin’s lymphoma (NHL). NHL can in turn be divided into low-grade, intermediate-grade, high-grade, and miscellaneous lymphomas. The course of NHL varies greatly, from indolent to rapidly fatal. Treatment options include chemo and radiation therapy.
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Lymphoid
Referring to lymphocytes, a type of white blood cell, or to tissue in which lymphocytes develop. Lymphoid tissue is full of lymphocytes, such as a lymph node.
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Lymphocytic
Referring to lymphocytes, a type of white blood cell. For example, lymphocytic inflammation in the skin is skin that is infiltrated with ‘lymphocytes.
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Lymphocytes
A small white blood cell (leukocyte) that plays a large role in defending the body against disease. Lymphocytes are responsible for immune responses. There are two main types of lymphocytes: B cells and T cells. The B cells make antibodies that attack bacteria and toxins while the T cells attack body cells themselves when they…
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Lymphatic tissue
A part of the body’s immune system that helps protect it from bacteria and other foreign entities. Lymphatic tissue is rich in lymphocytes (and accessory cells such as macrophages and reticular cells). The lymphatic tissue includes the lymph nodes, spleen, tonsils, adenoids and the thymus (an organ in the chest that is particularly large during infancy). In medicine, a tissue is a broad term that…
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Lymphatic filariasis
A parasitic disease caused by the African eye worm, a microscopic thread-like worm. The adult worms can only live in the human lymph system. Lymphatic filariasis affects over 120 million people in the tropics and sub-tropics of Asia, Africa, Western Pacific, and parts of Central and South America. The disease spreads from person to person by mosquito bites. When…
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Lymphadenopathy
Abnormally enlarged lymph nodes. Commonly called swollen glands.
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Lymph
The almost colorless fluid that travels through the lymphatic system, carrying cells that help fight infection and disease.