Problemim looking at melanopsin a photo pigment in the, Ask an Expert

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I'm looking at melanopsin, a photo pigment in the human eye. One of its actions is to trigger suprachiasmatic nuclei SCN to suppress melatonin release. I'm interested in learning what is the exact mechanism that actually suppresses melatonin release.

Question: Is it another hormone or some way of modulating the pineal gland function? Please justify your answer.

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Category:- Biology
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