Schematic representation of the autonomic nervous system Schematic representation of the autonomic nervous system. (From M Moskowitz: Clin Endocrinol Metab 6:77, 1977.) Source: Disorders of the Autonomic Nervous System, Harrison's Principles of Internal Medicine, 19e Citation: Kasper D, Fauci A, Hauser S, Longo D, Jameson J, Loscalzo J. Harrison's Principles of Internal Medicine, 19e; 2015 Available at: http://accesspharmacy.mhmedical.com/DownloadImage.aspx?image=/data/books/1130/kas_ch454_f001.png&sec=98735483&BookID=1130&ChapterSecID=79755967&imagename= Accessed: October 29, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved