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Neuroeffector Connections of Giant Multimodal Neurons in the African Snail Achatina Fulica

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Abstract

A new method of making preparations was used to analyse the neuroeffector connections of the paired giant neurons of the African snail Achatina fulica. These neurons were found to induce postsynaptic potentials in the muscles of the mantle, heart, the wall of the pulmonary cavity, and the muscular elements of the renal complex, the pericardium, the sexual apparatus, the walls of the cerebral arteries, the filaments of the columellar muscles, the wall of the abdomen, and the tentacle retractor muscles. Rhythmic neuron activity led to the development of marked facilitation and long-term potentiation of synaptic potentials. The possible significance of the multiple neuroeffector connections of giant neurons is discussed.

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Translated from Rossiiskii Fiziologicheskii Zhurnal imeni I. M. Sechenova, Vol. 90, No. 2, pp. 169–180, February, 2004.

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Bugai, V.V., Zhuravlev, V.L. & Safonova, T.A. Neuroeffector Connections of Giant Multimodal Neurons in the African Snail Achatina Fulica . Neurosci Behav Physiol 35, 605–613 (2005). https://doi.org/10.1007/s11055-005-0100-7

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