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| Description: In the retina, there are two types of light receptor cells: Rods are sensitive to differences in light intensity, and cones are sensitive to differences in color. There are three types of cones: red sensitive, green sensitive, and blue sensitive. Defects in the cones cause color blindness. Picture Stats: Views: 222 Filesize: 216.88kB Height: 1500 Width: 967 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=44156 |