Medical term:
photoreceptor
photoreceptor
[fo″to-re-sep´tor]a nerve end-organ or receptor sensitive to light.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
pho·to·re·cep·tor
(fō'tō-rē-sep'tŏr, -tōr),A receptor that is sensitive to light, for example, a retinal rod or cone.
Synonym(s): photoceptor
[photo- + L. re-cipio, pp. -ceptus, to receive, fr. capio, to take]
Farlex Partner Medical Dictionary © Farlex 2012
photoreceptor
(fō′tō-rĭ-sĕp′tər)n.
A nerve ending, cell, or group of cells specialized to sense or receive light.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
photoreceptor
Neurology A sensory nerve ending that responds to stimulation by lightMcGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
pho·to·re·cep·tor
(fō'tō-rĕ-sep'tŏr)A light-sensitive receptor (e.g., a retinal rod or cone).
[photo- + L. re-cipio, pp. -ceptus, to receive, fr. capio, to take]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
photoreceptor
a structure or pigment sensitive to light. In animals such structures are called eyes; they contain sensitive pigments which, when stimulated by light, activate the nervous system. In plants photoreceptors tend to be pigments of various sorts. For example, PHYTOCHROMES sensitive to red light (see PHOTO PERIODISM and flavo-proteins sensitive to blue light trigger AUXIN production, leading to PHOTOTROPISM.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
photoreceptor
A receptor capable of reacting when stimulated by light, such as the rods and cones of the retina. See cone cell; rod cell.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
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