Journal
JOURNAL OF CLINICAL NEUROSCIENCE
Volume 15, Issue 9, Pages 1023-1026Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jocn.2007.08.032
Keywords
Catecholaminergic fibers; Immunohistochemistry; Tyrosine hydroxylase; Vagus nerve
Categories
Funding
- Ministry of Education, Science, Sports and Culture of Japan
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Sympathetic catecholaminergic fibers in the vagus nerve were immunohistochemically examined in formalin-fixed human cadavers using an antibody against the noradrenalin-synthetic enzyme tyrosine hydroxylase (TH). TH-positive fibers were extensively distributed in the vagal nerve components, including the superior and inferior ganglia, the main trunk and the branches (superior and recurrent laryngeal, superior and inferior cardiac, and pulmonary branches). The inferior ganglion and its continuous cervical main trunk contained numerous TH-positive fibers with focal or diffuse distribution patterns in each nerve bundle. From these findings, we conclude that sympathetic fibers are consistently included in the human vagus nerve, a main source of parasympathetic preganglionic fibers to the cervical, thoracic and abdominal visceral organs. (C) 2007 Elsevier Ltd. All rights reserved.
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