| 单词 | pineal eye |
| 释义 | pineal eyenounan eyelike structure that develops from the pineal apparatus in certain cold-blooded vertebrates. Also called third eye. Origin of pineal eyeFirst recorded in 1885–90 Words nearby pineal eyepine, pineal, pineal apparatus, pineal body, pinealectomy, pineal eye, pineal gland, pinealocyte, pinealoma, pineal stalk, pineapple Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for pineal eyepineal eye nounan outgrowth of the pineal gland that forms an eyelike structure on the top of the head in certain cold-blooded vertebrates Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for pineal eyepineal eye [ pĭn′ē-əl, pī′nē-əl ] A sensory structure capable of light reception, appearing as a spot on the top of the head in lampreys, hagfish, amphibians, and some reptiles, especially the tuatara. Pineal eyes can contain a rudimentary cornea, lens, cone cells, and retina, and are thought to be sensitive to light and dark but not to be able to form images. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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