photo reception

photoreception

[foh-toh-ri-sep-shuhn]
noun
the physiological perception of light.

Origin:
1905–10; photo- + reception

photoreceptive, adjective
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American Heritage
Medical Dictionary

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.
The American Heritage® Stedman's Medical Dictionary
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