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THE SELECTIVE ACTION OF NICOTINE ON THE CENTRAL NERVOUS SYSTEM OF THE SQUID, LOLIGO PEALII
1. In specimens of freshly hatched squid, Loligo pealii, nicotine acts upon the cerebral ganglia alone. 2. After 1 minute in the nicotine solution 1:500,000, the latent period for the mantle spasm is independent of the time spent in the solution. 3. The mantle spasm is conditioned by a chemical reac...
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Formato: | Texto |
Lenguaje: | English |
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The Rockefeller University Press
1919
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2140326/ https://www.ncbi.nlm.nih.gov/pubmed/19871764 |
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author | Moore, A. R. |
author_facet | Moore, A. R. |
author_sort | Moore, A. R. |
collection | PubMed |
description | 1. In specimens of freshly hatched squid, Loligo pealii, nicotine acts upon the cerebral ganglia alone. 2. After 1 minute in the nicotine solution 1:500,000, the latent period for the mantle spasm is independent of the time spent in the solution. 3. The mantle spasm is conditioned by a chemical reaction, since the temperature coefficient of the process has a magnitude of about 2.8. 4. The velocity of the process which brings about the mantle spasm varies as the cube root of the concentration of the nicotine. |
format | Text |
id | pubmed-2140326 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 1919 |
publisher | The Rockefeller University Press |
record_format | MEDLINE/PubMed |
spelling | pubmed-21403262008-04-23 THE SELECTIVE ACTION OF NICOTINE ON THE CENTRAL NERVOUS SYSTEM OF THE SQUID, LOLIGO PEALII Moore, A. R. J Gen Physiol Article 1. In specimens of freshly hatched squid, Loligo pealii, nicotine acts upon the cerebral ganglia alone. 2. After 1 minute in the nicotine solution 1:500,000, the latent period for the mantle spasm is independent of the time spent in the solution. 3. The mantle spasm is conditioned by a chemical reaction, since the temperature coefficient of the process has a magnitude of about 2.8. 4. The velocity of the process which brings about the mantle spasm varies as the cube root of the concentration of the nicotine. The Rockefeller University Press 1919-05-20 /pmc/articles/PMC2140326/ /pubmed/19871764 Text en Copyright © Copyright, 1919, by The Rockefeller Institute for Medical Research This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/). |
spellingShingle | Article Moore, A. R. THE SELECTIVE ACTION OF NICOTINE ON THE CENTRAL NERVOUS SYSTEM OF THE SQUID, LOLIGO PEALII |
title | THE SELECTIVE ACTION OF NICOTINE ON THE CENTRAL NERVOUS SYSTEM OF THE SQUID, LOLIGO PEALII |
title_full | THE SELECTIVE ACTION OF NICOTINE ON THE CENTRAL NERVOUS SYSTEM OF THE SQUID, LOLIGO PEALII |
title_fullStr | THE SELECTIVE ACTION OF NICOTINE ON THE CENTRAL NERVOUS SYSTEM OF THE SQUID, LOLIGO PEALII |
title_full_unstemmed | THE SELECTIVE ACTION OF NICOTINE ON THE CENTRAL NERVOUS SYSTEM OF THE SQUID, LOLIGO PEALII |
title_short | THE SELECTIVE ACTION OF NICOTINE ON THE CENTRAL NERVOUS SYSTEM OF THE SQUID, LOLIGO PEALII |
title_sort | selective action of nicotine on the central nervous system of the squid, loligo pealii |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2140326/ https://www.ncbi.nlm.nih.gov/pubmed/19871764 |
work_keys_str_mv | AT moorear theselectiveactionofnicotineonthecentralnervoussystemofthesquidloligopealii AT moorear selectiveactionofnicotineonthecentralnervoussystemofthesquidloligopealii |