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J Physiol Vol 199, Issue 1 pp 205-221
Copyright © 1968 by The Physiological Society
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Miniature synaptic potentials at frog spinal neurones in the presence of tetrodotoxin

F. Colomo and S. D. Erulkar

1. Spontaneous subthreshold potentials have been recorded with an intracellular electrode from neurones of the isolated spinal cord of the frog.

2. Records of both depolarizing and hyperpolarizing potentials were obtained from cells in normal Ringer solution and also when impulse conduction in the cord had been abolished by tetrodotoxin (TTX).

3. Comparisons of results before and after TTX show that the majority of the spontaneous potentials are analogous to miniature end-plate potentials.




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V. B. Lu, K. Ballanyi, W. F. Colmers, and P. A. Smith
Neuron type-specific effects of brain-derived neurotrophic factor in rat superficial dorsal horn and their relevance to 'central sensitization'
J. Physiol., October 15, 2007; 584(2): 543 - 563.
[Abstract] [Full Text] [PDF]




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