retina
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ret·i·na
(rĕt′n-ə)n. pl. ret·i·nas or ret·i·nae (rĕt′n-ē′)
A delicate, multilayered, light-sensitive membrane lining the inner eyeball and connected by the optic nerve to the brain.
[Middle English, from Medieval Latin rētina, from Latin rēte, net.]
ret′i·nal adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
retina
(ˈrɛtɪnə)n, pl -nas or -nae (-ˌniː)
(Anatomy) the light-sensitive membrane forming the inner lining of the posterior wall of the eyeball, composed largely of a specialized terminal expansion of the optic nerve. Images focused here by the lens of the eye are transmitted to the brain as nerve impulses
[C14: from Medieval Latin, perhaps from Latin rēte net]
ˈretinal adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ret•i•na
(ˈrɛt n ə, ˈrɛt nə)n., pl. ret•i•nas, ret•i•nae (ˈrɛt nˌi)
the innermost coat of the posterior part of the eyeball that receives the image produced by the lens, is continuous with the optic nerve, and consists of several layers, one of which contains the rods and cones that are sensitive to light.
[1350–1400; Middle English ret(h)ina < Medieval Latin rētina, perhaps = Latin rēt-, s. of rēte net + -ina -ine3]
Ret•in-A
(ˌrɛt nˈeɪ)Trademark.
a brand of tretinoin, used esp. to reduce wrinkles caused by overexposure to the sun.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ret·i·na
(rĕt′n-ə) The light-sensitive membrane that lines the inside of the back of the eyeball, connected to the brain by the optic nerve. The retina of vertebrate animals contains specialized cells, called rods and cones, that absorb light.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
retina
- From Latin rete, "net," as there is a net of nerves making up this layer of the eyeball.See also related terms for net.
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.
retina
The back of the eyeball where neurons convert light into electrical impulses that pass through the brain. See cones, rods
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
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| Noun | 1. |  retina - the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerveneuroepithelium - epithelium associated with special sense organs and containing sensory nerve endings tissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants fovea, fovea centralis - area consisting of a small depression in the retina containing cones and where vision is most acute parafovea - area of the retina immediately surrounding the fovea macula lutea, macular area, yellow spot, macula - a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision visual cell - one of the cells of the retina that is sensitive to light optic disc, optic disk, blind spot - the point where the optic nerve enters the retina; not sensitive to light cone cell, retinal cone, cone - a visual receptor cell in the retina that is sensitive to bright light and to color |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
شَبَكِيَّة العَيْن
sítnice
nethinderetina
NetzhautRetina
retina
sjónhimna
tinklainė
tīklene
sietnica
ağ tabakaretina
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
retina
n pl <-e or -s> → Netzhaut f, → Retina f (spec)
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
retina
(ˈretinə) noun the part of the back of the eye that receives the image of what is seen.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
ret·i·na
n. retina, la capa más interna del ojo que recibe imágenes y transmite impulsos visuales al cerebro;
detachment of the ___ → desprendimiento de la ___.
English-Spanish Medical Dictionary © Farlex 2012
retina
n (pl -nas o -nae) retina; detached — desprendimiento de retinaEnglish-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.