Physiology 1021 Lecture Notes - Lecture 4: Axon Terminal, Threshold Voltage, Resting Potential

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Excitable cells: generate and respond to electrical signals, Neurons use electrical signals (in the form of action potentials) to communicate with one another. They are able to carry this signal rapidly and over long distances. Main component of the central nervous system. The interaction with our body and the environment relies of the efficient communication between the neurons in the nervous system. This communication is done by the propagation of an electrical signal and release of neurotransmitters. The dendrites are the structures that receive the incoming signals from the neighbouring cells. The soma or cell body all the cellular processes (like protein. The region where the axon terminal meets the target cell is synthesis) take place. called synapses. The myelin sheath is formed by the schwann cells. It consists of multiple layers of cell membrane wrapped around segments of the axon. The gap between the schwann cell is called the nodes of ranvier.

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