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retina
Definitions
[ˈrɛtɪnə], (Noun)
Definitions:
- a layer at the back of the eyeball that contains cells sensitive to light, which trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed
Phrases:
Origin
:
late Middle English: from medieval Latin, from Latin rete ‘net’
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definition by Oxford Dictionaries