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Толковый словарь английского языка Oxford English Reference - retina

 

Retina

retina
n. (pl. retinas, retinae) a layer at the back of the eyeball sensitive to light, and triggering nerve impulses via the optic nerve to the brain where the visual image is formed. Derivatives retinal adj. Etymology: ME f. med.L f. L rete net
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  noun (plural ~s or ~e) Etymology: Middle English rethina, from Medieval Latin ~, probably from Latin rete net Date: 14th century the sensory membrane that lines the eye, is composed of several layers including one containing the rods and cones, and functions as the immediate instrument of vision by receiving the image formed by the lens and converting it into chemical and nervous signals which reach the brain by way of the optic nerve ...
Толковый словарь английского языка

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