Examlex
The diameter and luminosity of a galaxy do not determine its type.
Fovea
A small depression in the retina where visual acuity is highest due to the dense concentration of cones, responsible for sharp central vision.
Rods
Photoreceptor cells in the retina of the eye that function well in low light and are primarily responsible for black-and-white vision.
Cones
Cells in the eye's retina known as photoreceptors work optimally in well-lit conditions and allow for the recognition of different colors.
Color Receptors
Specialized cells in the retina of the eye responsible for detecting color through the absorption of light at varying wavelengths.
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