Pineal

I understand....and is it wrong if somewhere it says: "The extracts of the pineal gland have metabolic role, in the meabolism of proteins, minerals, glucose or lipids", (without saying if they have a direct influence or not)?

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ok...thx One last question: Is it true that the pineal gland has a role in the metabolism of proteins, minerals, glucose or lipids?

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Hello, I started to read in a book about the pineal gland, but I have some questions about it: 1) Is it true that the melatonin decolorates the skin of the inferior vertebrates(amphibians and reptiles)? 2) Do you know any other hormones produced ...

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All the zoology books I have ever read say that Sphenodon punctatum has a pineal eye that is as functional as the other two. That is either false or its regular eyes aren't that sharp either.

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In fish, amphibians, and reptiles, the pineal gland has photosensitive cells - there are photochemical reactions needed to activate it. It also has brain connections that allow simple light-dark reactions, but it's not an eye. In birds and mammals, ...

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