Innervation of the mammalian esophagus
著者
書誌事項
Innervation of the mammalian esophagus
（Advances in anatomy, embryology and cell biology, 185）
Springer, c2006
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注記
"With 14 figures"
内容説明・目次
内容説明
1 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.
目次
1.Introduction.- 1.1 Muscle layers of the esophagus.- 2. Materials and Methods.- .1 Anterograde WGA-HRP tracing from nodose ganglion.- 2.2 Anterograde DiI tracing from thoracic dorsal root ganglia.- 3. Extrinsic innervation.- 3.1 Vagal innervation.- 3.2 Spinal innervation.- 3.3 Innervation of esophageal sphincters.- 3.4 Swallowing central pattern generator.- 3.5 Cortical representation of the esophagus in human.- 4. Intrinsic innervation.- 4.1 General organization.- 4.2 Enteric coinnervation.- 5. Functional considerations.- 5.1 General remarks.- 5.2 Cooperation between extrinsic and intrinsic systems.- 6. Concluding remarks.- Summary.- References.- Subject Index.
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