Distribution of GABA-like immunoreactive neurons in the slug Limax maximus |
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| Authors: | Ian R C Cooke Dr Alan Gelperin |
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| Institution: | (1) Department of Biology, Princeton University, Princeton, New Jersey, USA;(2) Department of Molecular Biophysics, AT & T Bell Laboratories, Murray Hill, New Jersey, USA;(3) Present address: Centre for Early Human Development, Monash Medical Centre, 246 Clayton Road, 3168 Clayton, Victoria, Australia;(4) Dept. of Molecular Biophysics, AT & T Bell Laboratories, 600 Mountain Avenue, 07974 Murray Hill, NJ, USA |
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| Abstract: | Summary Immunohistochemical techniques were used to study the distribution of gamma-amino butyric acid (GABA)-like immunoreactive neurons in the nervous system of the slug Limax maximus. Approximately 170 GABA-like immunoreactive cell bodies were found in the central nervous system. These were located in the cerebral, buccal and pedal ganglia. Most GABA-like immunoreactive neurons had small cell bodies, which were aggregated into discrete clusters within the cerebral and pedal ganglia. Three pairs of longer, uniquely identifiable, GABA-like immunoreactive cells were found in the cerebral ganglion. GABA-like immunoreactive nerve fibres were also found in all of the central ganglia but were absent from peripheral nerves. These results suggest that GABA acts as a central neurotransmitter in the slug. The possible roles of GABA-ergic neurotransmission in the slug are discussed. |
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| Keywords: | Immunohistochemistry GABA Nervous system Neurotransmitter Limax maximus |
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