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Hematology - Essay Example

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Haematology being a branch of medicine, concerns the study of blood, blood diseases and blood forming organs. It also includes the study of etiology, diagnosis, treatment, prognosis, and blood diseases prevention. The production of blood together with its components that include; blood proteins, haemoglobin and blood cells are affected by blood diseases.
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Hematology
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Download file to see previous pages In the blood system, Pluripotent haematopoetic cells become any type of cell. The type of a cell to become is determined by pluripotent cells that differentiate it in a wise way. 1
Proliferation is multiplication of blood cells in a human being. When an embryo is being developed, formation of blood takes place in the yolk sac in aggregate of blood cells. Blood formation takes place in the liver, spleen and lymph nodes and development goes to advance stages. Eventually, the task of blood formation is taken by bone marrows in the entire body system when they develop. However, proliferation of lymphoid cells usually occurs in the secondary lymphoid organs such as lymph nodes, spleen and thymus. In adult, haematopoiesis usually takes place in marrows of long bones like femurs and also in ribs and sternum where we have spongy bones. At times, spleen, liver and thymus recommence their haematopoietic function commonly known as extramedullary haematopoiesis. 2
Differentiation is a process whereby cells acquire a type in regard to haemopoiesis. During differentiation, cell morphology changes drastically although generic material still remain the same with some few exceptions.
In many aspects of cell physiology, differentiation involves changes in regard to shape, metabolic activities, polarity, size, and responsiveness to signals whereas gene expression profil ...Download file to see next pagesRead More
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