A parietal eye, also known as a third eye or pineal eye, is a part of the epithalamus present in some animal species. The eye is photoreceptive and is associated with the pineal gland, regulating circadian rhythmicity and hormone production for thermoregulation.
Read more about Parietal Eye: Function, Anatomy, Comparative Anatomy, Analogs in Other Species, See Also
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“... A La Recherche du Temps Perdu is like a beautiful hand with long fingers reaching out to pluck a perfect fruit, without error, for the accurate eye knows well it is growing just there on the branch, while Ulysses is the fumbling of a horned hand in darkness after a doubted jewel.”
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