Bent

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於 2013年1月23日 (三) 21:06 由 Bent (對話 | 貢獻) 所做的修訂 (新页面: Many people suffer from leukemia nowadays. A great number of cases of cancer are determined to be leukemia. Leukemia is a sort of cancer of the blood and marrow. The condition is characte...)

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Many people suffer from leukemia nowadays. A great number of cases of cancer are determined to be leukemia. Leukemia is a sort of cancer of the blood and marrow. The condition is characterized through the overproducing of immature blood cells (stem cells) that arent in a position to fully develop and to carry out the actions of normal blood cells.

Based on their structure and functions, you can find three various kinds of cells within the conventional blood: red blood cells, white blood cells and platelets. Through the process of hematopoiesis, these three forms of blood cells are produced from a distinctive form of blood cell called stem cell. Stem cells divide and proceed through several stages of growth to eventually form a blood cell of a particular kind, with a certain, unique function in the body. The method whereby a stem cell morphs in to a mature blood cell takes place within the bone marrow.

According to the persistence of the condition and the speed of growth, you can find two forms of leukemia: acute leukemia and chronic leukemia. While serious leukemia is developed slowly, acute leukemia is known to build up very quickly. Based on the types of blood cells suffering from the condition, leukemia may often be lymphocytic or myelogenous.

Lymphocytic and myelogenous types of leukemia are created from different types of cells: the lymphocytic type of leukemia develops from cells called lymphoblasts or lymphocytes in the spongious tissue of the bones, whilst the myelogenous type of leukemia (often refered to as myeloid and myelocytic leukemia) develops from myeloid cells.

In the case of acute forms of leukemia, the abnormal cells originate from early, immature cells. Such types of the problem have a very fast rate of development, due to the fact normal stem cells tend to increase frequently. Leukemia cells often dont split faster and with greater regularity than normal stem cells, they simply dont stop their process of division when they must. Often the variety of white blood cells are extremely large, during other cases they could be normal or low.

Serious leukemia, aside from its slow development, differs from acute leukemia by the degree of maturation that the infected cells are able to achieve. Base cells affected by serious leukemia reach a higher level of readiness but they provide problems and healthy white blood cells do they cant act. Unlike acute leukemia, in the persistent form of the disease the unhealthy cells have a lot longer periods of life and they tend to collect in various elements of your body.

Leukemia affects folks of all age ranges. While children often respond better to the treatment for leukemia and sometimes deal well with the illness, adults difficultly cope with this type of cancer.

Regardless of age and sex, many individuals are diagnosed with kinds of leukemia. While adults difficultly handle the disease, kids often respond better to some types of leukemia. The cases of acute leukemia surpass those of chronic leukemia by about 10 %. Older adults be seemingly affected probably the most by acute leukemia. Around two thirds of acute leukemia cases seem to occur after the age of 60. nasa 3d models