Lexic.us

Definition of Pineal eye

1. Noun. A sensory structure capable of light reception located on the dorsal side of the diencephalon in various reptiles.

Medical Definition of Pineal eye

1. A non-image-forming, photoreceptive eye in or near the median line in certain crustacea and lower vertebrates; homologue of pineal gland in higher forms. Synonym: epiphysial eye, parietal eye. (05 Mar 2000)

Lexicographical Neighbors of Pineal Eye

Literary usage of Pineal eye

Below you will find example usage of this term as found in modern and/or classical literature:

1. The American Journal of Psychology by Granville Stanley Hall, Edward Bradford Titchener (1889)
"Mr. Spencer discusses this relation and concludes "that the eye of the larval Tunicates is probably homologous with the pineal eye, and that the eye of ..."

2. Amphioxus and the Ancestry of the Vertebrates by Arthur Willey (1894)
"Comparison of Tunicate Eye with the pineal eye. The Tunicate eye, however, differs essentially from the paired eyes of the craniate Vertebrates in that the ..."

3. Proceedings of the Royal Society of Victoria by Royal Society of Victoria (Melbourne, Vic.), Royal Society of Victoria (1890)
"The pineal eye of ... in the lamprey Petromyzon ; the discovery and investigation of the structure of the pineal eye in Lacertilia some three years later, ..."

4. Medical Record by George Frederick Shrady, Thomas Lathrop Stedman (1896)
"While in all vertebrates we find this pineal optic lobe, in only the lowest vertebrates do we find the rudimentary pineal eye connected with it. ..."

5. The Annual Register edited by Edmund Burke (1911)
"Professor Dendy has completed his work on the pineal eye of certain lizards, a task which he has been prosecuting at intervals during the last ten years. ..."

6. Proceedings by Royal Physical Society of Edinburgh (1893)
"that the pineal eye is developed, so far as it goes, altogether on the vertebrate type. We have, in fact, the main constituents of the vertebrate eye, viz., ..."

7. Report of the Annual Meeting (1907)
"The ' pineal eye ' is unusually highly developed, and there can be but little doubt that it is a functional sense organ. It lies upon the roof of the ..."

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