Blood Cells

Labeled peripheral blood film showing erythrocytes, platelets, and various types of leukocytes.

Blood cells are the fundamental cellular components studied in hematology and play a vital role in maintaining oxygen delivery, immune defense, and hemostasis. All blood cells originate in the bone marrow from hematopoietic stem cells through a tightly regulated process known as hematopoiesis, leading to the formation of three main blood elements: red blood cells (RBCs), which are responsible for […]

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Scope of hematology

Scope of hematology showing therapeutic injection of a medication

Hematology is a core medical specialty dedicated to the study of blood, blood-forming organs, and blood-related disorders, encompassing a broad spectrum of conditions ranging from common anemias to complex hematologic malignancies such as leukemia, lymphoma, and multiple myeloma. In this article, we explore the scope of hematology, highlighting its key domains, diagnostic approaches, therapeutic advances, and its central role in modern […]

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What is Hematology

Hematology illustration showing red blood cells in circulation

Hematology (or haematology) is the medical specialty concerned with the study, diagnosis, treatment, and prevention of disorders affecting the blood, bone marrow, and lymphatic system. It encompasses diseases involving red blood cells, white blood cells, platelets, hemoglobin, and coagulation pathways, including anemia, leukemia, lymphoma, myeloma, and bleeding or thrombotic disorders. The term heme is derived from the Greek word for […]

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