Summary
The light-evoked response pattern and morphology of one interplexiform cell were studied in the goldfish retina by intracellular recording and staining. The membrane potential of the cell spontaneously oscillated in the dark. In response to a brief light stimulus, the membrane potential initially gave a slow transient depolarization. During maintained light, the oscillations showed a tendency to be suppressed; the response of the cell to the offset of the stimulus was not so prominent. The perikaryon of the interplexiform cell was positioned at the proximal boundary of the inner nuclear layer. The cell had two broad layers of dendrites; one was diffuse in the inner plexiform layer, the other was more sparse in the outer plexiform layer. The morphological and electrophysiological characteristics of the cell are discussed in relation to dopaminergic interplexiform cells and the light-evoked release pattern of dopamine in the teleost retina.
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Djamgoz, M.B.A., Usai, C. & Vallerga, S. An interplexiform cell in the goldfish retina: light-evked response pattern and intracellular staining with horseradish peroxidase. Cell Tissue Res 264, 111–116 (1991). https://doi.org/10.1007/BF00305728
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DOI: https://doi.org/10.1007/BF00305728