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The process of homopoiesis
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- Words:
- 615
- Submitted:
- Mon Feb 16 2009
- Mark submitted by Author:
... The process of homopoiesis Explain how homopoiesis occurs and how it results in mature red blood cells. How are other formed elements in blood made? Explain how homopoiesis is regulated by negative feedback mechanism. Describe three conditions, which would interfere with this and result in anemias. The process of homopoiesis takes place in the red bone marrow, which is a soft network of reticular connective tissue that borders on wide blood capillaries called sinusoids. In this network are immature blood cells, macrophages, fat cells, and reticular cells (the fibroblasts that secrete the fibers). Each type of blood cell is produced at different rates, according to the body's changing needs. All formed elements of blood begin as the same type of stem cell, the hematopoietic stem cell. The appearance of membrane surface receptors, which respond to different hormones, are what determine which type of formed element a stem cell will become. RBC
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