retinal
pronunciation
How to pronounce retinal in British English:
UK ['retɪnl]
How to pronounce retinal in American English:
US [ˈrɛtnˌæl, -ˌɔl]
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- Noun:
- either of two yellow to red retinal pigments formed from Rhodopsin by the action of light
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- Adjective:
- in or relating to the retina of the eye
Word Origin
- retinal (adj.)
- 1838; see retina + -al (1).
Example
- 1. Studies have confirmed that ginkgo increases blood flow to the retina , and can slow retinal deterioration resulting in an increase of visual acuity .
- 2. Nearly all the children in the study had bleeding in the brain and retinal hemorrhages .
- 3. Central retinal vein occlusion can be divided into two main subtypes : nonischemic and ischemic .
- 4. It is the most common type of retinal detachment , ahead of tractional and exudative .
- 5. Most password alternatives previously proposed by government or the private sector have revolved around biometric identifiers such as facial scans , fingerprints or retinal scans .