photoreceptor meaning

  • Photoreceptor can refer to:
  • In anatomy/cell biology:
  • Photoreceptor cell: a photosensitive cell in the retina of vertebrate eyes
  • Simple eye in invertebrates (Ocellus), photoreceptor organ ("simple eye") of invertebrates often composed of a few sensory cells and a single lens
  • Eyespot apparatus (microbial photoreceptor): the photoreceptor organelle of a unicellular organism that allows for phototaxis
  • In biochemistry:
  • Photoreceptor protein: a chromoprotein that responds to being exposed to a certain wavelength of light by initiating a signal transduction cascade

    Definition of photoreceptor in English Dictionary

  • NounPLphotoreceptorsPREphoto-
    1. (biology) A specialized neuron able to detect, and react to light.
    2. More Examples
      1. Used in the Middle of Sentence
        • To stain photoreceptors of the dorsal rim area, the cornea and crystalline cone layer of the DRA were removed using a microscalpel.
    • Part-of-Speech Hierarchy
      1. Nouns
        • Countable nouns
      Related Links:
      1. en photoreceptors
      Source: Wiktionary

      Meaning of photoreceptor for the defined word.

      Grammatically, this word "photoreceptor" is a noun, more specifically, a countable noun.
      Definiteness: Level 1
      Definite    ➨     Versatile