Blood Erythrocytes PDF
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Uploaded by TougherKunzite8463
University of Damascus
Dr. Taghrid Hammoud
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Summary
This presentation covers blood erythrocytes, focusing on their structure, function, and regulation. It details the role of various enzymes and vitamins in red blood cell maturation and the importance of hemoglobin.
Full Transcript
BLOOD ERYTHROCYTES Dr. Taghrid Hammoud DEA Endocrinology-PHD Immunology University of Damascus Departement of Physiology and Pharmacology Blood Mature red blood cells are biconcave, disk-shaped cells filled with hemoglobin, which f...
BLOOD ERYTHROCYTES Dr. Taghrid Hammoud DEA Endocrinology-PHD Immunology University of Damascus Departement of Physiology and Pharmacology Blood Mature red blood cells are biconcave, disk-shaped cells filled with hemoglobin, which function as the oxygen-carrying component of the blood. They do not have nuclei at maturity; their nuclei are extruded during the final phase of erythrocyte development. The presence of erythrocytes with nuclei in the peripheral blood smear suggests an underlying disease state. Normal red cells are about 8 μm in diameter, a size that is larger than the smallest capillaries. However, their biconcave shape gives them enough flexibility to slip through small capillaries and deliver oxygen to the tissues. Once extruded from the bone marrow, individual erythrocytes function for about 120 days before they are removed from the circulation by the spleen. الدكتورة تغريد حمود إنتاج كريات الدم الحمراء و تمايزها الدكتورة تغريد حمود وظيفة الكريات الحمراء تنظيم إنتاج كريات الدم الحمراء Role of vitamin B12 and acid folic in maturation of red blood cells الدكتورة تغريد حمود دور األنزيمات في الكريات الحمراء تشكل الخضاب الدموي الدكتورة تغريد حمود أنواع الخضاب الدموي تفاعالت الخضاب الدموي بعض األدوية التي تسبب أكسدة الهيموغلوبين استقالب و إعادة تدوير الخضاب الدموي