Photoreceptors

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Photoreceptors have the ability the transduce light energy into chemical energy which can be detected by the brain. There are two types of photoreceptors cells, they are the rod cells and the cone cells. Both cells conatin photochemical pigments that pick up certain light frequencies. These pigments are rhodopsin in rod cells and iodopsin in cone cells.[1]


References

  1. ↑ Advanced Biology for you, Gareth Williams, 2000, p336-p337
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