Parietal Eye

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 EyeFunction, Anatomy, Comparative Anatomy, Analogs in Other Species, See Also

Other articles related to "eyes, eye, parietal eye":

Tuatara - Description - Sensory Organs
... The eyes can focus independently, and are specialized with a duplex retina that contains two types of visual cells for both day and night vision, and a tapetum ... There is also a third eyelid on each eye, the nictitating membrane ... The tuatara has a third eye on the top of its head called the parietal eye ...
Parietal Eye - See Also
... Third eye Vestigial Organs Arthropod eye Mollusc eye Simple eye in invertebrates Vision in fish ...

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    The fring├Ęd curtains of thine eye advance,
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    William Shakespeare (1564–1616)