noun. a visual receptor, particularly a retinal cone or rod.
PHOTORECEPTOR: "Without photoreceptors, you would not be able to see."
Cite this page: N., Sam M.S., "PHOTORECEPTOR," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/photoreceptor/ (accessed February 2, 2023).