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visual pigment

visual pigment Visual pigment is a light-sensitive protein complex found in photoreceptor cells.

Visual pigment is a light-sensitive protein complex found in photoreceptor cells. It consists of an opsin linked to a vitamin A–based chromophore, which absorbs light and starts the biochemical process that activates the photoreceptor cell.

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Sources

Drafting source: U.S. National Library of Medicine. Medical Subject Headings (MeSH), 2026 descriptor edition. “Retinal Pigments” (D012168).
public-domain-US-government · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: f4339837e5ce728d59229737271179cfc45f7c4c2318205c617937116f54440b

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “visual pigment.” Development preview.

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