Photoreceptor can refer to: In anatomy/cell biology: In biochemistry: In technology: ...
Sensory structure that detects changes in light levels
A nerve ending, cell, or group of cells specialized to sense or receive light.
(from the article `photoreception`) The large size of the camera-like vertebrate eye makes it potentially the most efficient of all eyes because it can project a large image on a large ... ...effectively; receptor and accessory structures constitute a sense organ. The eye of vertebrates is an organ of light reception (photoreception); ....
(fo″to-re-sep´tәr) a nerve end-organ or receptor sensitive to light; see rod (def. 2) and cone (def. 2).
A specialized cell type in a multicellular organism that is sensitive to light. This definition excludes single-celled organisms, but includes non-eye receptors, such as snake infra-red (heat) detectors or photosensitive pineal gland cells. See retinal rods, retinal cones.
Type: Term Pronunciation: fō′tō-rē-sep′tŏr, -tōr Definitions: 1. A receptor that is sensitive to light, a retinal rod or cone. Synonyms: photoceptor
(fo;to-re-sep;tor) A sensory nerve ending that responds to the stimulation of light.
Cells that are specialized to receive light stimuli.