parietal eye

parietal eye
Zool. a median outgrowth of the diencephalon anterior to the pineal apparatus, having visual adaptations in many anamniotes and lizards.
[1885-90]

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Universalium. 2010.

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  • Parietal eye — A parietal eye, also known as a parietal organ or third eye is a part of the epithalamus present in some animal species. The eye may be photoreceptive and is usually associated with the pineal gland, regulating circadian rhythmicity and hormone… …   Wikipedia

  • parietal eye — /pəˌraɪətl ˈaɪ/ (say puh.ruyuhtl uy) noun one of two light receptor organs arising from the mid brain (the other being the pineal eye), well developed in lampreys and some lizards …   Australian-English dictionary

  • parietal eye — noun : pineal eye * * * Zool. a median outgrowth of the diencephalon anterior to the pineal apparatus, having visual adaptations in many anamniotes and lizards. [1885 90] …   Useful english dictionary

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  • Parietal lobe — Infobox Brain Name = PAGENAME Latin = lobus parietalis GraySubject = 189 GrayPage = 822 MapPos = MapCaption = Principal fissures and lobes of the cerebrum viewed laterally. (Parietal Lobe is shown in yellow) Caption2 = Lateral surface of left… …   Wikipedia

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  • Eye — The organ of sight. The word eye come from the Teutonic auge. The eye has a number of components. These include the cornea, iris, pupil, lens, retina, macula, optic nerve and vitreous. The cornea is the clear front window of the eye that… …   Medical dictionary

  • Parietal bone — Bone: Parietal bone Figure 1 : Left parietal bone. Outer surface …   Wikipedia

  • Mammalian eye — Eye Schematic diagram of the human eye …   Wikipedia

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