Learn how humoral immunity protects the body through the production of antibodies by B cells in response to extracellular pathogens. This video explains the activation, differentiation, and function of B cells…

Explore the mechanisms of cell-mediated immunity, focusing on how T cells identify and destroy infected or abnormal cells. This video explains the roles of CD4+ helper T cells and CD8+ cytotoxic T cells…

Delve deeper into the innate immune response by examining the roles of inflammatory mediators, the complement system, and natural killer (NK) cells. This video highlights how these components work together…

Learn how the innate immune system provides the body’s first line of defense through physical barriers, immune cells, and rapid responses to pathogens. This video covers key players like macrophages,…

Continue exploring T cell development with a focus on how thymocytes differentiate into CD4+ and CD8+ T cells. This video explains the molecular signals and selection processes that guide lineage commitment…

Understand the early stages of T cell development, from progenitor cells in the bone marrow to maturation in the thymus. This video explains key processes like positive and negative selection that shape…

Explore the primary and secondary organs and tissues of the immune system, including the bone marrow, thymus, lymph nodes, and spleen. This video explains how these structures support immune cell…

Learn about the key immune cells, including their origins, functions, and roles in coordinating immune responses. This video provides a clear and organized breakdown of cells like lymphocytes,…

Explore the role of IgA antibodies in mucosal immunity, focusing on their production, secretion, and protective functions at epithelial surfaces. This video explains how IgA helps neutralize pathogens…

Delve deeper into mucosal immunity by examining the roles of secretory IgA, antigen sampling, and immune tolerance at mucosal surfaces. This video explains how immune cells coordinate responses while…