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retina

ret·i·na

retina

 
pronunciation:
re tih n
part of speech: noun
inflections: retinae, retinas
definition: The retina is a part of the eye. It is at the back of the inside of the eyeball. The retina has cells that sense light and color. Images are formed on the retina and sent to the brain.
If there is damage to someone's retina, they could have vision problems and even become blind.
derivation: retinal (adj.)