"Lec 8 - Cell Communication and Immunology (cont.)" Frontiers of Biomedical Engineering (BENG 100) Professor Saltzman continues his discussion of cell communication in the body, extending the description to the nervous and immune system. Professor Saltzman describes the mode of signal transmission in neurons: action potential in the axon, and neurotransmitter release at the synaptic cleft. He also introduces elements of the innate and adaptive immune system. The adaptive immune system is presented as a host/foreign antigen recognition system involving immune cells (T, B, and macrophages), antibodies, and the major histocompatibility complex 1 and 2. Immune response by cytotoxic T cells, T helper cells, and B cells to antigen recognition are discussed in detail. 00:00 - Chapter 1. Overview of the Nervous System 05:28 - Chapter 2. Cell Communication in the Nervous System 22:18 - Chapter 3. Overview of the Immune System 28:26 - Chapter 4. Immune System Responses against Foreign Hosts 40:24 - Chapter 5. Cytotoxic T-Cells and Antibodies Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses This course was recorded in Spring 2008.
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