A receptor that is sensitive to light, e.g., a retinal rod or cone. SYN: photoceptor. [photo- + L. re-cipio, pp. -ceptus, to receive, fr. capio, to take]

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pho·to·re·cep·tor -'sep-tər n a receptor for light stimuli

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pho·to·re·cep·tor (fo″to-re-sepґtər) a nerve end-organ or receptor sensitive to light; see also visual cells, under cell.

Medical dictionary. 2011.

Look at other dictionaries:

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  • photoreceptor — [fōt΄ō ri sep′tər] n. Biol. a sense organ specialized to detect light, as the eye or any of the elements of a compound eye photoreception n. photoreceptive adj …   English World dictionary

  • photoreceptor — fotojutiklis statusas T sritis automatika atitikmenys: angl. photoreceptor; photosensor vok. Photosensor, m; Photowandler, m rus. фотодатчик, m pranc. photorécepteur, m; photosenseur, m …   Automatikos terminų žodynas

  • photoreceptor — noun Date: 1906 a receptor for light stimuli …   New Collegiate Dictionary

  • photoreceptor — n. [Gr. phos, light; L. receptor, receiver] A sense organ responsive to light …   Dictionary of invertebrate zoology

  • photoreceptor — 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… …   Dictionary of molecular biology

  • photoreceptor — /foh toh ri sep teuhr/, n. Physiol., Biol. a receptor stimulated by light. [1905 10; PHOTO + RECEPTOR] * * * …   Universalium

  • photoreceptor — noun A specialized neuron able to detect, and react to light …   Wiktionary

  • photoreceptor — n. receptor which perceives light stimulus (Biology) …   English contemporary dictionary

  • photoreceptor — noun a structure in an organism that responds to light. Derivatives photoreceptive adjective …   English new terms dictionary

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