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Overview1 Introduction The esophagus is a relatively simple though vital organ. It consists of a two-layered muscular tube whose lumen is lined by squamous strati?ed epithelium. Beyond its role of propelling food from the pharynx to the stomach by a propulsive contraction wave representing the esophageal phase of deglutition (Conklin and Christensen 1994; Jean 2001), it is more and more recognized as a sensory organ from which a variety of respiratory and cardiovascular re?exes can be triggered, thus coop- ating with the larynx in protecting the lower airways from aspiration (Barthelemy et al. 1996; Lang et al. 2002; Lang et al. 2001; Loomis et al. 1997; Medda et al. 2003). In ruminants, there is additional antiperistalsis for regurgitation. During emesis, the esophagus is a merely passive conduit except for some antiperistalsis in its upper part. In the interval between swallows, both oral and aboral ends of the esophagus are tonically closed by the upper and lower esophageal sphincters, UES and LES respectively, while the tubular esophagus is ?accid and partly ?lled with air. Despite this apparent simplicity, neuronal control of esophageal functions is quite complex. Full Product DetailsAuthor: Winfried Neuhuber , M. Raab , Hans-Rudolf Berthoud , Jürgen WörlPublisher: Springer-Verlag Berlin and Heidelberg GmbH & Co. KG Imprint: Springer-Verlag Berlin and Heidelberg GmbH & Co. K Edition: 2006 ed. Volume: 185 Dimensions: Width: 15.50cm , Height: 0.50cm , Length: 23.50cm Weight: 0.165kg ISBN: 9783540292050ISBN 10: 3540292055 Pages: 76 Publication Date: 13 February 2006 Audience: College/higher education , Undergraduate Format: Paperback Publisher's Status: Active Availability: Out of stock  The supplier is temporarily out of stock of this item. It will be ordered for you on backorder and shipped when it becomes available. Table of ContentsIntroduction.- Muscle layers of the esophagus.- Materials and Methods. Anterograde WGA-HRP tracing from nodose ganglion. Anterograde DiI tracing from thoracic dorsal root ganglia.- Extrinsic innervation. Vagal innervation.- Spinal innervation. Innervation of esophageal sphincters. Swallowing central pattern generator. Cortical representation of the esophagus in human.- Intrinsic innervation. General organization. Enteric coinnervation.- Functional considerations. General remarks. Cooperation between extrinsic and intrinsic systems.- Concluding remarks.- Summary.- References.- Subject Index.ReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |
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