retinal

[ ret-n-uhl ]

/ ˈrɛt n əl /

adjective

of or relating to the retina of the eye.

Origin of retinal

First recorded in 1830–40; retin(a) + -al¹

Words nearby retinal

retinaculum of fibular muscles, retinaculum of flexor muscles, retinaculum of peroneal muscles, retinaculum of skin, retinaculum tendinum, retinal, retinal adaptation, retinal cone, retinaldehyde, retinaldehyde isomerase, retinal detachment

Definition for retinal (2 of 2)

retinal²

[ ret-n-al, -awl ]

/ ˈrɛt nˌæl, -ˌɔl /

noun Biochemistry.

an orange pigment, C20H28O, that is the active component of rhodopsin and is liberated upon the absorption of light in the vision cycle; vitamin A aldehyde.

Also ret·i·nene

[ret-n-een]. /ˈrɛt nˌin/.

Origin of retinal

First recorded in 1940–45; retin(a) + -al³

Example sentences from the Web for retinal

To complement brain wiring, everyone walks around with retinal cams.
The Internet Embedded in Your Head|J.T. Price|November 21, 2014|DAILY BEAST
A useful faculty, easily developed by practice, is that of retaining a retinal picture.
Inquiries into Human Faculty and Its Development|Francis Galton
Numerous rhabdomeres (grouped as rhabdoms in Limulus) are found in the retinal layer of the central eyes also.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3|Various
The retinal vessels stand out slightly in relief, and thus a perfect shadow of the system is cast on the retina.
Cleo The Magnificent|Louis Zangwill

Mike the Angel put his face in the rest for the retinal photos.
Unwise Child|Gordon Randall Garrett
The retinal image impresses the retina in some definite manner and the impression is carried to the brain by the optic nerve.
Visual Illusions|Matthew Luckiesh

Medical definitions for retinal

retinal

[ rĕt′n-ăl′, -ôl′ ]

n.

retinaldehyde

单词	retinal
释义	retinal ¹ [ ret-n-uhl ] / ˈrɛt n əl / adjective of or relating to the retina of the eye. Origin of retinal ¹ First recorded in 1830–40; retin(a) + -al¹ Words nearby retinal retinaculum of fibular muscles, retinaculum of flexor muscles, retinaculum of peroneal muscles, retinaculum of skin, retinaculum tendinum, retinal, retinal adaptation, retinal cone, retinaldehyde, retinaldehyde isomerase, retinal detachment Definition for retinal (2 of 2) retinal² [ ret-n-al, -awl ] / ˈrɛt nˌæl, -ˌɔl / noun Biochemistry. an orange pigment, C20H28O, that is the active component of rhodopsin and is liberated upon the absorption of light in the vision cycle; vitamin A aldehyde. Also ret·i·nene [ret-n-een]. /ˈrɛt nˌin/. Origin of retinal ² First recorded in 1940–45; retin(a) + -al³ Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for retinal To complement brain wiring, everyone walks around with retinal cams. The Internet Embedded in Your Head\|J.T. Price\|November 21, 2014\|DAILY BEAST A useful faculty, easily developed by practice, is that of retaining a retinal picture. Inquiries into Human Faculty and Its Development\|Francis Galton Numerous rhabdomeres (grouped as rhabdoms in Limulus) are found in the retinal layer of the central eyes also. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3\|Various The retinal vessels stand out slightly in relief, and thus a perfect shadow of the system is cast on the retina. Cleo The Magnificent\|Louis Zangwill Mike the Angel put his face in the rest for the retinal photos. Unwise Child\|Gordon Randall Garrett The retinal image impresses the retina in some definite manner and the impression is carried to the brain by the optic nerve. Visual Illusions\|Matthew Luckiesh Medical definitions for retinal retinal [ rĕt′n-ăl′, -ôl′ ] n. retinaldehyde The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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