The combination of two Greek words, haima meaning blood and poiēsis meaning to produce something, forms the word hematopoiesis. So, hematopoiesis means forming blood cells (WBCs, RBCs, and...
Category: Immunology
Humoral immunity is a part of the immune system that involves producing and circulating antibodies. Antibodies are the proteins produced by specialized white blood cells called B cells (B...
B Cell Development: Maturation, Activation, and Differentiation
B cells are a type of white blood cell that plays a crucial role in the immune system. Millions of B lymphocytes are generated in the bone marrow daily and exported to the periphery. The rapid and...
T-cell activation is essential in the immune response, specifically in the adaptive immune system. T cells, a type of lymphocyte, play a central role in coordinating and executing immune responses...
Multicellular organisms, including plants, vertebrates, and invertebrates, have an intrinsic method of defending themselves against microbial infections. Since these methods are always present, ready...
Hypersensitivity refers to an exaggerated or unnecessary reaction produced by the host immune system. It is an immunological dysfunction, mainly targeted at innocuous antigens with consequent tissue...