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Journal of Biological Sciences

Year: 2004  |  Volume: 4  |  Issue: 6  |  Page No.: 776 - 777

Innervation to the Esophagus of Black Bengal Goat

M.S. Islam, M.A. Quasem, M.M Uddin, M.A. Reza and S.K. Das

Abstract

To study the innervation to the esophagus of Black Bengal goat a research was conducted in the Department of Anatomy and Histology, BAU, Mymensingh-2202, Bangladesh with 12 Black Bengal goats. All specimens were collected from adult Black Bengal goats (over 6 months of age); irrespective of sex. The esophagus of Black Bengal goat was sampled at six sites- Cranial cervical, middle cervical, caudal cervical, at the level of thoracic inlet, at the middle mediastinum and at the level of cardia. The nerves supplying the upper third of cervical esophagus by the pharyngoesophageal branch of vagus. The caudal two-third of cervical esophagus was innervated by the recurrent laryngeal nerve. The thoracic part of the esophagus was supplied by the recurrent laryngeal nerve and the dorsal esophageal branch of the vagus. The dorsal vagal trunk innervated the esophagus from the heart to the cardia.

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