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The efferent nervous system of the guinea pig inner ear is histochemically investigated.
Remarkable activity of alkaline phosphatase and acetylcholinesterase is demonstrated
by
Burstone, 1958
azo dye method and
Koelle and Friedenwald, 1949
method as modified by
Gomori, 1952
respectively. The distribution pattern of both enzymes in the efferent nervous system
is entirely similar.The intraganglionic spiral bundles, fascicles of the osseous spiral lamina and efferent
plexus of the organ of Corti reacted intensely for both enzymes.
Afferent nerve fibers give no histochemical reaction for both alkaline phosphatase
and acetylcholinesterase. However, spiral and vestibular ganglion cells are rich in
both enzymes, though they belong to the afferent nervous system. The significance
of both enzymes in the nervous system of the guinea pig inner ear is briefly discussed.
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Article info
Publication history
Received:
March 11,
1981
Identification
Copyright
© 1981 Society for Promotion of International Otorhinolaryngology (SPIO). Published by Elsevier Inc. All rights reserved.