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The Neuron

In this video Paul Andersen explains the basic anatomy of a neuron; including the dendrites, cell body, axon hillock, axon, and axon terminal. He also describes how neurons are classified both structurally and functionally. Music Attribution Intro Title: I4dsong_loop_main.wav Artist: CosmicD Link to sound: http://www.freesound.org/people/Cosmi... Creative Commons Atribution License Outro Title: String Theory Artist: Herman Jolly http://sunsetvalley.bandcamp.com/trac... All of the images are licensed under creative commons and public domain licensing: Haas, P. svg: J. work: J. (2012). English: 1: Unipolar neuron 2: Bipolar neuron 3: Multipolar neuron 4: Pseudounipolar neuron. Retrieved from https://commons.wikimedia.org/wiki/Fi... Laurentaylorj. (2013). English: As a nerve impulse travels down the axon, there is a change in polarity across the membrane. The Na+ and K+ gated ion channels open and close in response to a signal from another neuron. At the beginning of action potential, the Na+ gates open and Na+ moves into the axon. This is depolarization. Repolarization occurs when the K+ gates open and K+ moves outside the axon. This creates a change in polarity between the outside of the cell and the inside. The impulse continuously travels down the axon in one direction only, through the axon terminal and to other neurons. Retrieved from https://commons.wikimedia.org/wiki/Fi... Mentatseb. (2009). English: The brain network of the C.Elegans worm; data computed by D.Watts and S.Strogatz; map spatialized from Gephi. Retrieved from https://commons.wikimedia.org/wiki/Fi... Neuron 1.1.1. (n.d.). Retrieved December 20, 2016, from https://phet.colorado.edu/sims/html/n... tiZom, O. by en:User:Chris 73 by. ([object HTMLTableCellElement]). English: Schematic of an action potential. Retrieved from https://commons.wikimedia.org/wiki/Fi... Wikipedia, Q. J. at E. (2009). English: Recreated :File:Neuron-no labels2.png in Inkscape and hand-tuned to reduce filesize. Created by Quasar (talk) 19:59, 11 August 2009 (UTC). Retrieved from https://commons.wikimedia.org/wiki/Fi... العربية: الجهاز العصبي.Deutsch: Nervensystem.English: Nervous system.Français : Système nerveux. (2010). Retrieved from https://commons.wikimedia.org/wiki/Fi...