Examlex
The main advantage of a DSL Internet connection over a dial-up connection is transmission speed.
Rhodopsin
A pigment found in the rods of the retina that is responsible for the first step in the perception of light.
Rods
Photoreceptor cells in the retina of the eye that are sensitive to low light and contribute to night vision.
Cones
Photoreceptor cells in the retina of the eye that function best in relatively bright light and enable color vision.
Fovea Centralis
A small pit in the retina of the eye where visual acuity is highest, responsible for sharp central vision.
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