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MMG 301 Study Guide L38 - MMG 301 Final Exam Study Guide...

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MMG 301 Final Exam Study Guide Lecture 38: Epithelium: a tissue composed of layers of cells which line the cavities and surfaces of structures throughout the body. Antigen: a molecule capable of interacting with specific components of the immune system.; any molecule that stimulates a response in lymphocytes, like proteins, polysaccharides. Pathogen-associated molecular pattern (PAMP): unique structural components of a microbe or virus recognized by a pattern recognition molecule. T-cell receptors: antigen-specific receptor protein on the surface of T cells. Lymph: a fluid similar to blood which lacks red blood cells and travels through a separate circulatory system (the lymphatic system) containing lymph nodes. Immunologic memory: the ability to rapidly produce quantities of specific immune cells or antibodies following reexposure to a previously encountered antigen. Tolerance: the inability to produce an immune response to specific antigens. Immunogen: a molecule capable of eliciting an immune response. Epitope: the portion of an antigen that is recognized by an immunoglobulin or a T-cell receptor. Active Immunity: an immune state achieved by self-production of antibodies; vaccination produces a response that provides immunity.
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