Cone photoreceptors and potential UV vision in a subterranean insectivore, the European mole.

  title={Cone photoreceptors and potential UV vision in a subterranean insectivore, the European mole.},
  author={Martin Gl{\"o}smann and Marianne Steiner and Leo Peichl and Peter K. Ahnelt},
  journal={Journal of vision},
  volume={8 4},
We have examined the presence, the distribution, and the opsin identity of photoreceptor types in the retina of the European mole, Talpa europaea, a subterranean insectivore with regressed morphology of the visual system. Cones and rods were identified using opsin antisera, and their topographies determined from flat-mounted retinas. The retina (total area 0.75 mm(2)) contains about 100,000 photoreceptors, 10-12% of which are cones. Rod density is low (theoretical maximum 127,000 mm(-2)). Cone… CONTINUE READING


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