Rhythmic daily shedding of outer-segment membranes by visual cells in the goldfish

@article{ODay1978RhythmicDS,
  title={Rhythmic daily shedding of outer-segment membranes by visual cells in the goldfish},
  author={W T O'Day and Richard White Young},
  journal={The Journal of Cell Biology},
  year={1978},
  volume={76},
  pages={593 - 604}
}
Goldfish were placed on a daily light cycle of 12 h light and 12 h darkness for 18 days or longer. The visual cells and pigment epithelium of the retina were then examined by microscopy at many intervals throughout the cycle. Goldfish rods and cones follow a rhythmic pattern in eliminating packets of photosensitive membranes from their outer segments. Rods shed membranes early in the light period. The detached membranes are ingested by pigment epithelial cells or by ameboid phagocytes, which… CONTINUE READING

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