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Additional
Photoreceptor cell
English Wikipedia - The Free Encyclopedia
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Photoreceptor cell
A
photoreceptor cell
is a specialized type of
neuron
found in the
retina
that is capable of
phototransduction
. The great biological importance of photoreceptors is that they convert light (visible
electromagnetic radiation
) into signals that can stimulate biological processes. To be more specific,
photoreceptor proteins
in the cell absorb
photons
, triggering a change in the cell's
membrane potential
.
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