pineal eye

pineal eye
an eyelike structure that develops from the pineal apparatus in certain cold-blooded vertebrates. Also called third eye.
[1885-90]

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Universalium. 2010.

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  • pineal eye — /pɪniəl ˈaɪ/ (say pineeuhl uy) noun one of two light receptor organs arising from the mid brain (the other being the parietal eye), well developed in lampreys and some lizards …  

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  • Pineal — Pi ne*al, a. [L. pinea the cone of a pine, from pineus of the pine, from pinus a pine: cf. F. pin[ e]ale.] Of or pertaining to a pine cone; resembling a pine cone. [1913 Webster] {Pineal gland} (Anat.), a glandlike body in the roof of the third… …   The Collaborative International Dictionary of English

  • pineal body — Pineal Pi ne*al, a. [L. pinea the cone of a pine, from pineus of the pine, from pinus a pine: cf. F. pin[ e]ale.] Of or pertaining to a pine cone; resembling a pine cone. [1913 Webster] {Pineal gland} (Anat.), a glandlike body in the roof of the… …   The Collaborative International Dictionary of English

  • Pineal gland — Pineal Pi ne*al, a. [L. pinea the cone of a pine, from pineus of the pine, from pinus a pine: cf. F. pin[ e]ale.] Of or pertaining to a pine cone; resembling a pine cone. [1913 Webster] {Pineal gland} (Anat.), a glandlike body in the roof of the… …   The Collaborative International Dictionary of English

  • pineal apparatus — 1. a median outgrowth of the roof of the diencephalon in vertebrates that in some develops into the pineal eye and in others into the pineal gland. 2. See parietal eye. * * * …   Universalium

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