See Also: Photoreceptor(medicine)
photoreceptor(dictionary)
Photoreceptor(health)
photoreceptor cells(medicine)
Photoreceptor mosaic(health)
Dells Area Health Center Avera Health(health)
Divine Providence Health Center Avera Health(health)
Hegg Memorial Health Center Avera Health(health)
Sun Health(health)
health(encyclopedia)

Photoreceptor (health)


A light sensitive neuron. Photoreceptors interact with light which produces changes in their electrical properties which are communicated to other neurons. They constitute the first stage in the physiological process which underlies vision. The human retina, like the retina of most vertebrates, contains two broad classes of photo-receptors, rods and cones.