photoreception

(noun)

A physiological response to light, as occurs during vision in animals.

Related Terms

  • chemoreception
  • thermoreception
  • mechanoreception

Examples of photoreception in the following topics:

  • Anatomy of the Eye

    • The retina, a thin layer of cells located on the inner surface of the back of the eye, consists of photoreceptive cells, which are responsible for the transduction of light into nervous impulses.
    • The retina contains photoreceptive cells.
  • Convergent Evolution

    • Their last common ancestor had at most a very simple photoreceptive spot, but a range of processes led to the progressive refinement of this structure to the advanced camera eye.
  • Modern Reptiles

    • They are also unusual in having a pronounced photoreceptive eye, dubbed the "third eye", whose current function is a subject of ongoing research, but is thought to be involved in setting circadian and seasonal cycles.
  • Overview of Sensation

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