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单词 retina
释义

retinan.1

Brit. /ˈrɛtᵻnə/, U.S. /ˈrɛtn̩ə/
Inflections: Plural retinas, retinae.
Forms: Middle English–1500s rethina, Middle English– retina.
Origin: A borrowing from Latin. Etymon: Latin retina.
Etymology: < post-classical Latin retina (13th cent. in British and continental sources) < classical Latin rēte net (see rete n.) + -īna -ine suffix4, so called on account of its finely fibrillar texture resembling a net. Compare French rétine (1314 in Middle French), Catalan retina (c1500), Spanish retina (late 15th cent.), Italian retina (15th cent.).
1. A layer at the back of the eyeball of vertebrates, containing light-sensitive cells (rods and cones) which trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed; (also) a layer of similar function in the eye of certain invertebrates. In early use also: †the outermost layer of the eyeball (obsolete).detached retina: see detached adj. Additions.
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the world > life > the body > sense organ > sight organ > parts of sight organ > [noun] > retina
retinaa1398
a1398 J. Trevisa tr. Bartholomaeus Anglicus De Proprietatibus Rerum (BL Add.) f. 40v Faste by þe humour cristallyn in þe inner side is þe curtil þat hatte rethina [L. retina], & springiþ & comeþ of þe veynes & wooson of þe skynne.
a1400 tr. Lanfranc Sci. Cirurgie (Ashm.) (1894) 241 (MED) Of þe substaunce of dura matris is engendrid rethina, þat is þe þinne skyn þat goiþ without þe iȝe, þat is clepid þe vilm of þe iȝe.
?a1425 tr. Guy de Chauliac Grande Chirurgie (Hunterian) f. 50 (MED) Þe tunikel..secundina was made þat it myȝte defenden þe tunikel þat is cleped retina wiþ his mesurabel hardenes fro þe passinge hardenesse off þe tunica sclirotica.
c1475 ( Surg. Treat. in MS Wellcome 564 f. 24 (MED) Of þe neruous substaunce of þe Nerui obtici is engendrid þe þridde tunicle which þat is clepid retina, þe which is more sutil þan þe oþir tweyne & goiþ aboute þe humouris wiþoute mene.
1525 Anothomia in tr. H. von Brunschwig Noble Experyence Handy Warke Surg. sig. Bjv/2 The thyrde [coat] groweth of the senowe optico; the inner parte therof is named retina.
?1541 R. Copland Guy de Chauliac's Questyonary Cyrurgyens ii. sig. Eiijv Of the inwarde party is called rethina, and of the outwarde parte on the humour Crystallyn it hyght Aranea.
1619 S. Purchas Microcosmus viii. 89 I omit the Tunicle,..the Retina, and the rest.
1667 Philos. Trans. (Royal Soc.) 2 536 The Retina was also streaked with very apparent sanguineous Vessels.
1749 D. Hartley Observ. Man i. iii. §4. 379 The Pictures made by Objects upon the Retina.
1777 J. Priestley Disquis. Matter & Spirit viii. 100 The brain is of the very same substance with the retina, and optic nerves.
1811 J. Wood Elem. Optics vi. 139 The images cannot, in both cases, fall upon corresponding points of the retinas.
1851 M. Reid Scalp Hunters I. xii. 160 I found that the objects before me made duplicate impressions upon my diseased retina.
1897 Nature 1 Feb. 296/1 Kühne's observations were made on the retinæ of frogs and rabbits.
a1933 J. A. Thomson Biol. for Everyman (1934) I. xvi. 415 Chordates... The essential back part of the eye, including the retina, arises as an outgrowth from the brain.
1955 Sci. News Let. 26 Mar. 207/1 The vitreous humor helps hold the retina..in place.
1989 B. Chatwin What am I doing Here 72 The sights of New York dazzled him and were registered, unforgettably, on his retina.
2006 Wall St. Jrnl. 21 Aug. a7/6 The drug..could spare others the need for laser therapy on the retina, the typical treatment for severe diabetic eye disease.
2. figurative. Something that retains an image or sentiment. Frequently in retina of the mind and variants: a person's memory or imagination (cf. one's mind's eye at mind n.1 19b(a)).
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1691 W. Wollaston Design Part of Bk. Ecclesiastes 107 As I turn the Pencil of my eye From Fate and Nature to Society, What terrifying stories does't portray Upon the table of the Retina!
1760 L. Sterne Life Tristram Shandy II. v. 43 This identical bowling-green..became curiously painted..upon the retina of my uncle Toby's fancy.
1807 Med. & Physical Jrnl. 17 45 The more just refraction of the rays shall paint the picture in its true colours on the retina of his mind.
1854 D. Brewster More Worlds i. 8 The image of the future is the last picture which is effaced from the retina of the mind.
1902 Musical Times 43 20/1 The fair young form of the principal actress of the scene..produced an impression on the retina of my youthful mind which will never be effaced.
1946 L. B. Lyon Rough Walk Home 27 The retina of a blind man's finger-tips though fine, is not so finely spun as hope's.
1978 Times 23 May 14/5 Close Encounters of the Third Kind is a film that lingers on the retina of the mind like the image of a light stared at before the eyes are closed.
2009 Journal (Newcastle) (Nexis) 16 Jan. 15 I'm sure the memorable images are as burnt on the retinas of your minds as much as they are on mine.
This entry has been updated (OED Third Edition, March 2010; most recently modified version published online June 2022).

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also refers to : Retin-An.2
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