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g....20 - iced
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09-26-2006, 08:41 PM
if u have RBC hyperplasia in bone marrow...what could be the cause?
1)Fe deficiency 2)thalassemia 3)chronic obstructive pulmonary disease
09-26-2006, 09:28 PM
correct...
in chronic obstructive pulmonary disease u can see RBC hyperplasia releasing harmone erythropoeitin,its made in the endothelial cells of peritubular capillaries..and this erythropoeitin stimulates marrow producing RBC hyperplasia.... u dont to see rbc hyperplasia in thalassemia cus u have a defect in globin chain... u dont see rbc hyperplasia in fe deficiency cus lacking fe to make rbc. |
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