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photoreceptor Definition

photo·recep·tor (fōt′ō ri septər)

noun

Biol. a sense organ specialized to detect light, as the eye or any of the elements of a compound eye

Related Forms:

photoreceptor Usage Examples

Converse of object

  • call: Tiny light sensitive patches called photoreceptors cover the back of the eye.
  • use: Birds perceive day length using photoreceptors in the brain integrated with their circadian clock.

Noun used with modifier

  • cone: These children may mainly have a problem with their cone photoreceptors.
  • rod: These children might mainly have a problem mainly with their rod photoreceptors.
  • melanopsin: We now know that this synchronization is largely dependent upon these blue light sensitive melanopsin photoreceptors, " he added.
  • blue-light: Since Neurospora has a blue-light photoreceptor the clock in Neurospora " sees " white or blue light but does not perceive red light.

Adjective modifier

  • retinal: Our perception of color arises from the presence of three types of retinal photoreceptors ( cones ) sensitive to different wavelengths of light.
  • blue: We now know that this synchronization is largely dependent upon these blue light sensitive melanopsin photoreceptors, " he added.
  • human: The temporal properties of the human short-wave photoreceptors and their associated pathways.
  • sensitive: We now know that this synchronization is largely dependent upon these blue light sensitive melanopsin photoreceptors, " he added.
  • light: We now know that this synchronization is largely dependent upon these blue light sensitive melanopsin photoreceptors, " he added.
  • different: The different plant photoreceptors for red and blue lights.

Modifies a noun

  • cell: Where the optic nerve attaches to the retina, no photoreceptor cells ( cones or rods ) are present.
  • protein: My postgraduate research in Robert Molday's laboratory was to investigate the function of bovine retinal rod photoreceptor proteins in the phototransduction process.
  • system: However, studies over the past decade have provided the substrate for the heretical view that the mammalian eye contains a novel photoreceptor system.
  • response: As their main source, the results suggest specific properties of the photoreceptor response and a specialized amacrine cell circuit in the inner retina.
  • differentiation: We are interested in identifying cellular pathways that are involved in photoreceptor differentiation, function and degeneration.
  • molecule: These disks contain thousands of molecules of rhodopsin, the photoreceptor molecule.

Preposition: in

  • retina: Optic Nerve Each photoreceptor in the retina sends its signals down very fine wires to the brain.
  • eye: There are about 130 million photoreceptors in each eye.