photoreceptorn.
/ˌfəʊtə(ʊ)rᵻˈsɛptə/, U.S. /ˈˌfoʊdərəˈsɛptər/ Biology.
Any structure in a living organism which responds to light; esp. a cell or group of cells capable of converting a visible light stimulus into an electrical signal in a nerve. Also in extended use.
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the world > life > biology > biological processes > action of nervous system > [noun] > reception or transmission of impulses > receptor of stimuli
chemoreceptor1906
exteroceptor1906
interoceptor1906
nociceptor1906
photoreceptor1906
proprioceptor1906
receptor1906
radioreceptor1922
mechanoreceptor1927
phonoreceptor1934
stretch receptor1936
pressoreceptor1937
thermoreceptor1937
osmoreceptor1946
baroceptor1949
baroreceptor1951
sensor1956
chemosensor1964
1906 C. S. Sherrington Integrative Action Nerv. Syst. ix. 334 The free-swimming Ascidia with fin-like motor organs and semi-rigid aerial notochord..bears at its anterior end a well-formed photo-receptor organ (eye) and a well-formed otocyst (head proprio-ceptor).
1944 Electronic Engin. 17 189/3 The retina consists of ten layers, in the third of which are embedded the photo-receptors.
1969 F. E. Round Introd. Lower Plants ii. 14 The locomotory flagellum [of the alga Euglena]. It has a..swelling, the ‘photoreceptor’, near its entry into the cell.
1974 Photochem. & Photobiol. 19 435/1 The question as to the identity of the photoreceptor pigment (carotenoids or flavins) for phototropism in higher plants has not been resolved.
1995 CAD User Oct. 44/1 Dry toner, which has been given an opposite charge, is attracted to the photoreceptor and is then transferred onto plain paper.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1906