retinal — English Dictionary

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Language

retinal

Pronunciations (7)

/ˈɹɛt.ɪn.əl/
Pronunciation notes
- Received-Pronunciation
/ˈɹɛt.ən.əl/
Pronunciation notes
- General-American
/ˈɹɛt.nəl/
Pronunciation notes
- General-American
/ˈɹɛt.əˌnæl/
Pronunciation notes
- General-American
/ˈɹɛt.əˌnɔl/
Pronunciation notes
- General-American
ˈɹɛt.ɪn.əl
ˈɹɛt.əˌnæl
Pronunciation notes
- US

Adjective

Of or pertaining to the retina.
Usage
- not-comparable
- relational

Noun

A yellow to orange aldehyde derived from vitamin A that is formed from rhodopsin by the action of light and in combination with proteins forms the visual pigments of the retinal rods and cones.
Usage
- Countable
- Uncountable
Synonyms
retinaldehyde retinene

Adjective

in or relating to the retina of the eye

Examples

retinal cells

Noun

either of two yellow to red retinal pigments formed from rhodopsin by the action of light

Synonyms
retinene
Broader terms
pigment

Word forms

retinals

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