Photoreception



[foh-toh-ri-sep-shuh n] /ˌfoʊ toʊ rɪˈsɛp ʃən/

noun
1.
the physiological perception of light.

photoreception pho·to·re·cep·tion (fō’tō-rĭ-sěp’shən)
n.
The detection, absorption, and use of light, as for vision in animals or phototropism and photosynthesis in plants.
pho’to·re·cep’tive (-tĭv) adj.

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