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CGRP-immunoreactive cells supplying laryngeal sensory nerve fibres in the cat's nodose ganglion

Published online by Cambridge University Press:  29 June 2007

Yasumusa Tanaka ,
Yoshikazu Yoshida  and
Minoru Hirano
Yasumusa Tanaka*
Affiliation:
Kurume, Japan
Yoshikazu Yoshida
Affiliation:
Kurume, Japan
Minoru Hirano
Affiliation:
Kurume, Japan
*
Yasumasa Tanaka, M.D., Department of Otorhinolaryngology and Head and Neck Surgery, School of Medicine, Kurume University, 67 Asahimachi, Kurume 830, Japan. Fax: 942-37-1200.
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Abstract

Through a combination of retrograde staining by wheat germ agglutinin (WGA) and immunohistochemistry, calcitonin gene-related peptide (CGRP)-reactive sensory neurons projecting from the laryngeal mucosa were detected in the feline nodose ganglion. The size of the CGRP-immunoreactive cell which was regarded as a laryngeal sensory neuron, was about 60 ±m in diameter: the shape of the immunoreactive laryngeal sensory neuron was unipolar. CGRP-reacted laryngeal sensory cells were found in the rostral part of the nodose ganglion extending to the middle part. They aggregated in the most rostral part, were sparse in other parts and were approximately 50 per cent of WGA-reactive laryngeal sensory neurons in number. Our results suggest that this neurotransmitter might play an important role in laryngeal peripheral sensory innervation.

Keywords

ImmunohistochemistryLarynxNerve fibresCat
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 107 , Issue 10 , October 1993 , pp. 916 - 919
Copyright
Copyright © JLO (1984) Limited 1993

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