There may be a third type of photoreceptor in the retina that helps regulate our sleep and wake cycles. What type of photopigment do these cells contain?

Name: There may be a third type of photoreceptor in the retina that helps regulate our sleep and wake cycles. What type of photopigment do these cells contain?
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Question

Quizplus · Accepted Answer

These cells contain melanopsin, a photopigment involved in the regulation of circadian rhythms by responding to ambient light levels, thus influencing sleep and wake cycles.

There May Be a Third Type of Photoreceptor in the Retina