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Extra-lysosomal localization of acid phosphatase in the spinal cord of the rat

Extra-lysosomal localization of acid phosphatase in the spinal cord of the rat 221 18 18 4 4 Elizabeth Knyihár M. A. Gerebtzoff Department of Anatomy University Medical School Szeged Hungary Institute d'Anatomie Université de Liège Belgium Summary The Rolando substance of the rat spinal cord was investigated by means of standard electron microscopy and by light-and electron microscopic histochemical demonstration of acid phosphatase. In accordance with previous studies, electron dense, large sinusoid terminals in the Rolando substance, constituting the central element of Rolando glomeruli, are shown to establish numerous axo-axonal and axo-dendritic synapses. Acid phosphatase reaction of the Rolando substance, resistant to 0.2 mM sodium fluoride inhibition, is located in and around the large sinusoid terminals. By using various incubation parameters and cryo-protection, the most plausible physiological localization of this enzyme, probably related to transmission processes appears to be in the greater membrane (glycocalyx) of large sinusoid terminals. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experimental Brain Research Springer Journals

Extra-lysosomal localization of acid phosphatase in the spinal cord of the rat

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References (22)

Publisher
Springer Journals
Copyright
Copyright © 1973 by Springer-Verlag
Subject
Biomedicine; Neurosciences; Neurology
ISSN
0014-4819
eISSN
1432-1106
DOI
10.1007/BF00239107
Publisher site
See Article on Publisher Site

Abstract

221 18 18 4 4 Elizabeth Knyihár M. A. Gerebtzoff Department of Anatomy University Medical School Szeged Hungary Institute d'Anatomie Université de Liège Belgium Summary The Rolando substance of the rat spinal cord was investigated by means of standard electron microscopy and by light-and electron microscopic histochemical demonstration of acid phosphatase. In accordance with previous studies, electron dense, large sinusoid terminals in the Rolando substance, constituting the central element of Rolando glomeruli, are shown to establish numerous axo-axonal and axo-dendritic synapses. Acid phosphatase reaction of the Rolando substance, resistant to 0.2 mM sodium fluoride inhibition, is located in and around the large sinusoid terminals. By using various incubation parameters and cryo-protection, the most plausible physiological localization of this enzyme, probably related to transmission processes appears to be in the greater membrane (glycocalyx) of large sinusoid terminals.

Journal

Experimental Brain ResearchSpringer Journals

Published: Nov 1, 1973

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