SUPPRESSION OF PHOTOTROPIC CIRCUS MOVEMENTS OF LIMAX BY STRYCHNINE

By injection with strychnine the phototropic circus movements of the slug Limax maximus may be suppressed, its phototropism abolished. The creeping activity of the foot is not in any essential way interferred with. Strychnine produces in Limax central nervous effects of the sort associated with its...

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Detalles Bibliográficos
Autores principales: Crozier, W. J., Federighi, H.
Formato: Texto
Lenguaje:English
Publicado: The Rockefeller University Press 1924
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2140702/
https://www.ncbi.nlm.nih.gov/pubmed/19872131
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author Crozier, W. J.
Federighi, H.
author_facet Crozier, W. J.
Federighi, H.
author_sort Crozier, W. J.
collection PubMed
description By injection with strychnine the phototropic circus movements of the slug Limax maximus may be suppressed, its phototropism abolished. The creeping activity of the foot is not in any essential way interferred with. Strychnine produces in Limax central nervous effects of the sort associated with its characteristic action. Hence, although an effect of the drug upon photoreceptors cannot be definitely excluded, the experimental result is held to demonstrate that in orientation during circus movements there occurs central "competition" between impulses resulting (1) in the release of pedal waves and (2) in the maintenance of a turning posture.
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spelling pubmed-21407022008-04-23 SUPPRESSION OF PHOTOTROPIC CIRCUS MOVEMENTS OF LIMAX BY STRYCHNINE Crozier, W. J. Federighi, H. J Gen Physiol Article By injection with strychnine the phototropic circus movements of the slug Limax maximus may be suppressed, its phototropism abolished. The creeping activity of the foot is not in any essential way interferred with. Strychnine produces in Limax central nervous effects of the sort associated with its characteristic action. Hence, although an effect of the drug upon photoreceptors cannot be definitely excluded, the experimental result is held to demonstrate that in orientation during circus movements there occurs central "competition" between impulses resulting (1) in the release of pedal waves and (2) in the maintenance of a turning posture. The Rockefeller University Press 1924-11-20 /pmc/articles/PMC2140702/ /pubmed/19872131 Text en Copyright © Copyright, 1924, 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
Crozier, W. J.
Federighi, H.
SUPPRESSION OF PHOTOTROPIC CIRCUS MOVEMENTS OF LIMAX BY STRYCHNINE
title SUPPRESSION OF PHOTOTROPIC CIRCUS MOVEMENTS OF LIMAX BY STRYCHNINE
title_full SUPPRESSION OF PHOTOTROPIC CIRCUS MOVEMENTS OF LIMAX BY STRYCHNINE
title_fullStr SUPPRESSION OF PHOTOTROPIC CIRCUS MOVEMENTS OF LIMAX BY STRYCHNINE
title_full_unstemmed SUPPRESSION OF PHOTOTROPIC CIRCUS MOVEMENTS OF LIMAX BY STRYCHNINE
title_short SUPPRESSION OF PHOTOTROPIC CIRCUS MOVEMENTS OF LIMAX BY STRYCHNINE
title_sort suppression of phototropic circus movements of limax by strychnine
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2140702/
https://www.ncbi.nlm.nih.gov/pubmed/19872131
work_keys_str_mv AT crozierwj suppressionofphototropiccircusmovementsoflimaxbystrychnine
AT federighih suppressionofphototropiccircusmovementsoflimaxbystrychnine

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