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retina

Syllabification: (ret·i·na)

Pronunciation: /ˈretn-ə/

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Definition of retina

noun (plural retinas or retinae /ˈretnˌē, ˈretnˌī/)

a layer at the back of the eyeball containing cells that are sensitive to light and that trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed.