Animal Physiology
Antigen-presenting cells (APCs) are specialized immune cells that capture, process, and present antigens to T cells, which is essential for initiating the adaptive immune response. By displaying antigens on their surface using major histocompatibility complex (MHC) molecules, APCs help activate T cells and stimulate both cellular and humoral immunity. They play a critical role in bridging the innate and adaptive immune systems.
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