CAS PS 332 Lecture Notes - Lecture 6: Innate Immune System, Psychoneuroimmunology, Lymphatic System
7 Feb 2020
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Explain the 3 levels of defense in the immune system. Be familiar with various types of immune cells: e. g. macrophage, b- cell, t- cells (all types), nk cells. Explain the inflammatory response and the role of cytokines. Describe immune memory and primary/secondary immune responses. Explain bidirectional links between immune and nervous systems. Distinguish direct and indirect pathways from stress disease. Protect body from foreign invasion by antigens (bacteria, viruses, fungus ). When something is in your body but it isn"t supposed to be there, your immune system reacts. Remove damaged or mutant cells: e. g. cancer, function to notice the difference between healthy cells and damaged cells. It recognizes cells that should or should not be in your body. Spread throughout body through: capillaries, lymph nodes (glands) meeting place where different types of immune cells coordinate a response to filter out antigens, bone marrow, thymus, spleen, tonsils and adenoids.
