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      REVERSAL OF REACTION BY MEANS OF STRYCHNINE IN PLANARIANS AND STARFISH

      research-article
      The Journal of General Physiology
      The Rockefeller University Press

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          Abstract

          Two cases have been described, that of the marine planarian Bdelloura and that of the starfish Asterias forbesii, in which strychnine reverses reciprocal inhibition. These facts indicate that the nervous systems of these invertebrates function in a manner similar to those of the earthworm and vertebrates. Moreover, it would seem that strychnine acts upon some chemical component of the neuron which is always present in synaptic structures but which also occurs in the simpler neurons of lower forms. The fact that strychnine is without this characteristic effect on such forms as medusa and sea anemone, indicates that the nervous systems of the starfish and planarian have chemical affinities with the vertebrates which the cœlenterates do not possess.

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          Author and article information

          Journal
          J Gen Physiol
          The Journal of General Physiology
          The Rockefeller University Press
          0022-1295
          1540-7748
          20 September 1918
          : 1
          : 1
          : 97-100
          Affiliations
          From the Physiological Laboratory of Rutgers College, New Brunswick, N. J.
          Article
          10.1085/jgp.1.1.97
          2140290
          19871730
          fd4584d6-4b18-481e-bd72-3e19e12bbe7a
          Copyright © Copyright, 1918, by The Rockefeller Institute for Medical Research
          History
          : 20 June 1918
          Categories
          Article

          Anatomy & Physiology
          Anatomy & Physiology

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