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Erythropoietin:

This test measures the amount of erythropoietin in the blood. Erythropoietin is a hormone produced primarily by the kidneys. It is produced and released into the bloodstream in response to low oxygen levels. Erythropoietin is carried to the bone marrow, where it works to stimulate stem cells to become red blood cells (RBCs). RBCs contain hemoglobin, a protien that carries oxygen throughout the body. Normal RBCs have a lifespan of about 120 days and are usually similar in size and shape.


Erythropoietin disorder

if the kidneys are damaged and unable to keep up with the demand for erythropoietin, or if bone marrow is unable to respond to the stimulation, may occur with a bone marrow disorder , then cause anemia.

If increase erythropoietin produced, as occurs with some benign or malignant kidney tumors and with a variety of other cancers, too many RBCs may be produced

هو فحص يكشف عند وجود الاجسام المضادة هذه الاجسام المضادة تعتبر بروتينات ينتجها الجهاز المناعى بالجسم استجابة للسترولين وهو حمض امينى ينتج من الارجنين وهذا يحدث فى حالة الاصابة بالتهاب المفاصل الروماتيزمية .
التهاب المفاصل الروماتويدي هو مرض مزمن يسبب الالتهابات والألم ، وصلابة ، والتغيرات المدمرة في اليدين والقدمين ، والمفاصل الأخرى في جميع أنحاء الجسم

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	ashrafe
thank is good subject

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