Rods and Cones


	Rods and Cones
	Similarities Both are types of photoreceptor Both are types of secondary exteroceptors Both contain visual pigments Found in the retina	Differences Visual pigments: rods - rhodopsin, cones - iodopsin Rods have 1 type - monochromatic vision. Cones have 3 types - colour vision Sensitivity: Rods - good, cones - poor Connection to bipolar cell: Rods - several to one, Cones - one to one Rods transmit information in dimmer, low-light intensities than cones Rods are more sensitive to movement than cones Cones give a more accurate, clearer image than rods
	Overall comparison

Get Revising