immune system

What is hematopoiesis?

Hematopoiesis is the process by which the body produces new blood cells. The word comes from the Greek words “hema,” meaning blood, and “poiesis,” meaning formation. Hematopoiesis is essential for maintaining the body’s supply of red blood cells (RBCs), white blood cells (WBCs), and platelets, which are all crucial for carrying oxygen, fighting infections, and …
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Inflammation: Definition

Inflammation is the body’s natural defense response to injury, infection, or irritation. When tissue is damaged or threatened, the immune system sends specialized cells and chemical signals to the affected area to fight off the cause of the injury and begin the healing process. Inflammation is a normal and necessary process — without it, wounds …
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