Chemicals and Drugs

Rhodopsin

A purplish-red, light-sensitive pigment found in RETINAL ROD CELLS of most vertebrates. It is a complex consisting of a molecule of ROD OPSIN and a molecule of 11-cis retinal (RETINALDEHYDE). Rhodopsin exhibits peak absorption wavelength at about 500 nm.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A purplish-red, light-sensitive pigment found in RETINAL ROD CELLS of most vertebrates. It is a complex consisting of a molecule of ROD OPSIN and a molecule of 11-cis retinal (RETINALDEHYDE). Rhodopsin exhibits peak absorption wavelength at about 500 nm.

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Classification

Broader headings

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Synonyms

1 entry terms
  • Visual Purple

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Aspects Covered

30 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, drug effects, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, ultrastructure, urine.

MeSH Record

Indexing Annotation

do not confuse with ROD OPSINS or microbial rhodopsins (BACTERIORHODOPSINS)

MeSH Record

History Note

91(75); was see under RETINAL PIGMENTS 1975-90

MeSH Hierarchy

Tree Numbers

  1. D12.776w.543w.750w.695w.955w
  2. D23.767w.930.750w.500.500w

MeSH Record

NLM Classification

WW 270

AMA Style

References

  1. National Library of Medicine. Rhodopsin. Medical Subject Headings (MeSH). 2026. Unique ID D012243. http://id.nlm.nih.gov/mesh/2026/D012243
  2. Rhodopsin. In: Wikipedia. https://en.wikipedia.org/wiki/Rhodopsin
  3. Rhodopsin. In: Wikidata. https://www.wikidata.org/wiki/Q423107