Science. 1976 Mar 5;191(4230):963-4.

Photoreceptor-bipolar cell transmission in the perfused retina eyecup of the mudpuppy.

Abstract

The hypothesis that a synaptic transmitter is released by photoreceptors in the dark is supported by experiments in which cobalt was used as a synaptic blocking agent, while intracellular recordings of receptors and neurons that are directly postsynaptic to receptors were maintained. In the dark the depolarizing bipolars are hyperpolarized, whereas the hyperpolarizing bipolars are depolarized.

PMID:: 175443; [PubMed - indexed for MEDLINE]

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Pathways and polarities of synaptic interactions in the inner retina of the mudpuppy: I. Synaptic blocking studies. [Brain Res. 1979]
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Cited by 12 PubMed Central articles

Sustained synaptic input to ganglion cells of mudpuppy retina. [J Physiol. 1982]
Sustained synaptic input to ganglion cells of mudpuppy retina.
Belgum JH, Dvorak DR, McReynolds JS. J Physiol. 1982 May; 326:91-108.
The effects of tetraethylammonium and cobalt ions on responses to extrinsic current in toad rods. [J Physiol. 1980]
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Fain GL, Quandt FN. J Physiol. 1980 Jun; 303:515-33.
Calcium spikes in toad rods. [J Physiol. 1980]
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