definition of leukemia
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leukemia leukemia leu·ke·mi·a (lōō-kē'mē-ə) n. Any of various acute or chronic neoplastic diseases of the bone marrow in which unrestrained proliferation of white blood cells occurs and which is usually accompanied by anemia, impaired blood clotting, and enlargement of the lymph nodes, liver, and spleen.
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leukemia Definition of leukemia for English Language Learners. medical : a very serious disease in which the body forms too many white blood cells.
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Blood Test For Leukemia Leukemia is a form of cancer that originates in the tissues that make blood (mainly the soft bone marrow located inside the bone) and manifests in the blood cells created by the affected tissue.hen affected by leukemia, the patient's lymphatic system will produce immature and abnormal white blood cells in abundance-thus causing it to overcrowd the red blood cells and giving the blood a whitish tinge.
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Human Physiology/Print Version Leukemia: Causes, Symptoms and Treatments. Leukemia (British spelling: leukaemia ) is cancer of the blood or bone marrow (which produces blood cells). A person who has leukemia suffers from an abnormal production of blood cells, generally leukocytes (white blood cells). People sometimes confuse leukemia and lymphoma. Leukemia is a cancer of the blood, lymphoma is cancer of the lymphatic system (lymph glands).
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History of Leukemia History of Leukemia. The Greek words Leukos and Heima is nothing but Leukemia, which means white blood and it actually means excess of white blood cells in a human body. It is a type of Blood Cancer or Bone Marrow Cancer which encompasses an abundantly huge range of health problems. The white blood cells are produced abundantly and profusely which later on causes Leukemia. Bone Marrow aids in production of blood and is called as blood factory of the body. In Bone marrow, the blood cells divide to form new blood cells.
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What Is Acute Myeloid Leukemia? Leukemia is a cancer that starts in early blood-forming cells found in the bone marrow, the soft inner part of certain bones. Most often, leukemia is a cancer of the white blood cells, but some leukemias start in other blood cell types.Any of the blood-forming cells from the bone marrow can turn into a leukemia cell. Once this change takes place, the leukemia cells no longer mature in a normal way.ost often, leukemia is a cancer of the white blood cells, but some leukemias start in other blood cell types. Any of the blood-forming cells from the bone marrow can turn into a leukemia cell. Once this change takes place, the leukemia cells no longer mature in a normal way.
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Leukemia Leukemia (lo-KEY-me-a) is a type of cancer in which the body produces a large number of immature, abnormally shaped blood cells. It usually affects the white blood cells, or leukocytes (LOO-ko-sites), which help the body fight infections and other diseases. for searching the Internet and other reference sources.
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Leukemia - Topic Overview Leukemia is cancer of the blood cells. It starts in the bone marrow, the soft tissue inside most bones. Bone marrow is where blood cells are made. 1  White blood cells help your body fight infection. 2  Red blood cells carry oxygen to all parts of your body.ymptoms may depend on what type of leukemia you have, but common symptoms include: 1  A new lump or swollen gland in your neck, under your arm, or in your groin. 2  Frequent nosebleeds, bleeding from the gums or rectum, more frequent bruising, or very heavy menstrual bleeding.
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leukemia leukemia. a malignancy of blood-producing tissues, characterized by proliferating immature white blood cells and infiltration of the spleen, liver, and other organs. Also leukocythemia. — leukemie, leukemoid, adj.
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leukemia Leukemia definition, any of several cancers of the bone marrow that prevent the normal manufacture of red and white blood cells and platelets, resulting in anemia, increased susceptibility to infection, and impaired blood clotting. See more.
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- Leukemia (British spelling: leukaemia) is cancer of the blood or bone marrow (which produces blood cells). A person who has leukemia suffers from an abnormal production of blood cells, generally leukocytes (white blood cells).People sometimes confuse leukemia and lymphoma.Leukemia is a cancer of the blood, lymphoma is cancer of the lymphatic system (lymph glands). The word Leukemia comes from the Greek leukos which means white and aima which means blood. The DNA of immature blood cells, mainly white cells, becomes damaged in some way.eople sometimes confuse leukemia and lymphoma. Leukemia is a cancer of the blood, lymphoma is cancer of the lymphatic system (lymph glands). The word Leukemia comes from the Greek leukos which means white and aima which means blood. The DNA of immature blood cells, mainly white cells, becomes damaged in some way.
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Pepsinogen is secreted from which cells? Pepsinogen is a proenzyme(enzyme which is in inactive form). It is released from gastric glands of stomach in particular Peptic cells/chief cells. Pepsinogen is converted into an active enzyme ,pepsin by the action of HCl in stomach.HCl helps to provide acidic medium which is essential for the activation of pepsinogen. Activated pepsin itself activates more and more pepsinogen (autocatalysis)
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- Freebase(0.00 / 0 votes)Rate this definition: Leukemia or leukaemia is a type of cancer of the blood or bone marrow characterized by an abnormal increase of immature white blood cells called blasts. Leukemia is a broad term covering a spectrum of diseases.
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Leukemia (Overview) Leukemia is cancer of the blood cells. It starts in the bone marrow, the soft tissue inside most bones. Bone marrow is where blood cells are made. 1  White blood cells help your body fight infection. 2  Red blood cells carry oxygen to all parts of your body.3  Platelets help your blood clot.eukemia is cancer of the blood cells. It starts in the bone marrow, the soft tissue inside most bones. Bone marrow is where blood cells are made. 1  White blood cells help your body fight infection. 2  Red blood cells carry oxygen to all parts of your body. 3  Platelets help your blood clot.
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Leukemia Leukemia, also spelled leukaemia, is a group of cancers that usually begin in the bone marrow and result in high numbers of abnormal white blood cells. These white blood cells are not fully developed and are called blasts or leukemia cells. Symptoms may include bleeding and bruising problems, feeling tired, fever, and an increased risk of infections. These symptoms occur due to a lack of normal blood cells.
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Leukemia For animal diseases, see Leucosis. Leukemia, also spelled leukaemia, is a group of cancers that usually begin in the bone marrow and result in high numbers of abnormal white blood cells. These white blood cells are not fully developed and are called blasts or leukemia cells.
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Leukemia Leukemia (American English) or leukaemia (British English) is a group of cancers that usually begin in the bone marrow and result in high numbers of abnormal white blood cells. These white blood cells are not fully developed and are called blasts or leukemia cells.he exact cause of leukemia is unknown. Different kinds of leukemia are believed to have different causes. Both inherited and environmental (non-inherited) factors are believed to be involved. Risk factors include smoking, ionizing radiation, some chemicals (such as benzene), prior chemotherapy, and Down syndrome.
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- leukemia is an abnormal rise in the number of white blood cells the white blood cells crowd out other blood cell elements such as red blood cells and platelets the elevated white blood cells are immature and do not function properly
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Leukemia - Topic Overview Leukemia is cancer of the blood cells. It starts in the bone marrow, the soft tissue inside most bones. Bone marrow is where blood cells are made. 1  White blood cells help your body fight infection.  Red blood cells carry oxygen to all parts of your body.
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Leukemia - Topic Overview Leukemia is cancer of the blood cells. It starts in the bone marrow, the soft tissue inside most bones. Bone marrow is where blood cells are made.1  White blood cells help your body fight infection. 2  Red blood cells carry oxygen to all parts of your body.3  Platelets help your blood clot.eukemia is cancer of the blood cells. It starts in the bone marrow, the soft tissue inside most bones. Bone marrow is where blood cells are made.
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Leukemia Leukemia. Leukemia is a type of cancer that affects the blood and bone marrow. Leukemia begins in a cell in the bone marrow. The cell undergoes a change and becomes a type of leukemia cell. Once the marrow cell undergoes a leukemic change, the leukemia cells may grow and survive better than normal cells.
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NCI Dictionary of Cancer Terms AML: Acute myeloid leukemia (also known as acute myelogenous leukemia), a quickly progressive malignant disease in which there are too many immature blood-forming cells in the blood and bone marrow, the cells being specifically those destined to give rise to the granulocytes or monocytes, both types of white blood cells that fight infections.
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Leukemia Leukemia is also classified as lymphocytic or myelogenous. Lymphocytic leukemia refers to abnormal cell growth in the marrow cells that become lymphocytes, a type of white blood cell that plays a role in the immune system. In myelogenous leukemia, abnormal cell growth occurs in the marrow cells that mature into red blood cells, white blood cells, and platelets.
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- In this article. Leukemia is an abnormal rise in the number of white blood cells. The white blood cells crowd out other blood cell elements such as red blood cells and platelets. The elevated white blood cells are immature and do not function properly.LL (also called acute lymphocytic leukemia) is an aggressive type of leukemia characterized by the presence of too many lymphoblasts or lymphocytes in the bone marrow and peripheral blood. It can spread to the lymph nodes, spleen, liver, central nervous system (CNS), and other organs.
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Flu Season Alert: Watch for Signs of Leukemia in Seniors Leukemia is a cancer of the blood cells that starts in the bone marrow, causing the marrow to produce abnormal white blood cells. Like the blobby looking cells in this photo, the leukemia cells eventually crowd out healthy white cells, sapping the body's infection-fighting capabilties.Over time, leukemia cells also crowd out red blood cells and platelets, impairing the blood's ability to carry oxygen and clot.ike the blobby looking cells in this photo, the leukemia cells eventually crowd out healthy white cells, sapping the body's infection-fighting capabilties. Over time, leukemia cells also crowd out red blood cells and platelets, impairing the blood's ability to carry oxygen and clot.
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- Acute Lymphoblastic Leukemia (ALL) Acute lymphoblastic leukemia (ALL) is a cancer that affects the white blood cells. These cells fight infection and help protect the body against disease. Patients with ALL have too many immature white blood cells in their bone marrow. These cells crowd out normal white blood cells.