It's made up of at least 10 distinguishable layers, and is packed with more sensory nerve cells than anywhere else in the body. The retina is home to two different kinds of light receptor cells ...

and varying cell types have different populations of receptors. Receptors can also respond directly to light or pressure, which makes cells sensitive to events in the atmosphere. Receptors are ...

Researchers are shining a light on cancer cells' energy centers ... a monoclonal antibody designed to seek out receptors on cancer cell surfaces. "This monoclonal antibody can identify a specific ...

A literature search revealed that the relaxation of blood vessels in response to light, called photorelaxation, had been described almost 50 years earlier, but the underlying mechanisms had never been ...

Retina The lining of the back of eye containing two types of light receptor cells (rods and cones). Contains the light receptors, which trigger electrical impulses to be sent to the brain when ...

7. At the point where the optic nerve leaves the eye there aren't any light receptor cells. This creates a blind spot. Most of the time we don't see this empty, dark area though: our brain fills in ...