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The structure of the spinal ganglia and of the spinal nerves

The structure of the spinal ganglia and of the spinal nerves FIFTEEN FIGURES The application to the spinal ganglion of the reduced silver method of Cajal has brought to light many new facts (Cajal, '05) and the renewed interest in this subject has found expression in a number of investigations including that of Dogiel ('08). The present paper is concerned, in part, with a confirmation of these newer observations and in part with observations which, though touched upon by Dogiel and Cajal, escaped serious consideration by either of them. For this work the largest spinal ganglia (L VI, VII, S I) in large dogs were subjected to the pyridine-silver (modified (Cajal) technique, an account of which has already been. published (Ranson, '11). Pieces of fresh nerve are placed for two days in absolute alcohol containing 1 per cent of concentrated ammonia; washed one to three minutes in distilled water; placed in pyridine for twenty-four hours, after which they are washed in many changes of distilled water for twenty-four hours. They are then placed in the dark for three days in a 2 per cent aqueous solution of silver nitrate at 35" C.; then rinsed in distilled water and placed for one day in a 4 per cent solution of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Journal of Comparative Neurology Wiley

The structure of the spinal ganglia and of the spinal nerves

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References (12)

Publisher
Wiley
Copyright
Copyright © 1912 The Wistar Institute of Anatomy and Biology
ISSN
0021-9967
eISSN
1096-9861
DOI
10.1002/cne.900220203
Publisher site
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Abstract

FIFTEEN FIGURES The application to the spinal ganglion of the reduced silver method of Cajal has brought to light many new facts (Cajal, '05) and the renewed interest in this subject has found expression in a number of investigations including that of Dogiel ('08). The present paper is concerned, in part, with a confirmation of these newer observations and in part with observations which, though touched upon by Dogiel and Cajal, escaped serious consideration by either of them. For this work the largest spinal ganglia (L VI, VII, S I) in large dogs were subjected to the pyridine-silver (modified (Cajal) technique, an account of which has already been. published (Ranson, '11). Pieces of fresh nerve are placed for two days in absolute alcohol containing 1 per cent of concentrated ammonia; washed one to three minutes in distilled water; placed in pyridine for twenty-four hours, after which they are washed in many changes of distilled water for twenty-four hours. They are then placed in the dark for three days in a 2 per cent aqueous solution of silver nitrate at 35" C.; then rinsed in distilled water and placed for one day in a 4 per cent solution of

Journal

The Journal of Comparative Neurology – Wiley

Published: Apr 1, 1912

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