Gubicza, András and Salánki, János (1969) Comparative study on the Nissl substance and RNA content in the central nervous system of Anodonta cygnea L. A Magyar Tudományos Akadémia Tihanyi Biológiai Kutatóintézetének évkönyve, 36. pp. 11-17. ISSN 0365-3005
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Abstract
From the results obtained with cresyl violet and pyronine-malachite green staining of neurons of the central nervous system in Anodonta cygnea the following observations were made: 1. In the cytoplasm of nerve cells, even with various amounts of basophilic substance, a close parallelism was noted in the localization and amount of the substance stained with cresyl violet and PMaG. 2. The relatively small nuclei of certain cells stained intensively only with cresyl violet. In O₂ deficiency the nuclei exhibited a decrease in size and an increase in basophilia. Similarly, staining of the basophilic material localized on the nucleus-cytoplasm border was characteristic of the Nissl substance. 3. After nerve section the perinuclear ring appearing as a sign of regeneration, contained not only RNA but also a concentration of basophilic material that remained unaffected by digestion with ribonuclease. 4. O₂ deficiency lasting for several days caused a radical decrease in the amount of basophilic substance of nerve cells. In such cases the pattern of the periodic activity of the animal also changes, and the relationship between the quantity of RNA content in the active and rest periods was not demonstrable with the method employed.
Item Type: | Article |
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Subjects: | Q Science / természettudomány > QL Zoology / állattan |
Depositing User: | Edina Fejős |
Date Deposited: | 02 Jun 2024 18:50 |
Last Modified: | 02 Jun 2024 18:50 |
URI: | https://real.mtak.hu/id/eprint/196343 |
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