visual pigment

(redirected from Ommochrome)
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visual pigment

A light-absorbing compound in the photoreceptor cells of the retina that converts light energy into a nerve impulse that is passed from the receptor cells to the optic nerve.
See also: pigment
References in periodicals archive ?
Turnover of pigment granules: cyclic catabolism and anabolism of ommochromes within epidermal cells.