photoreceptor

photoreceptor definition - medical

pho·to·re·cep·tor (fōˌtō-rĭ-sĕpˈtər)

noun
A nerve ending, cell, or group of cells specialized to sense or receive light.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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