Chemicals and Drugs

Opsins

Photosensitive proteins in the membranes of PHOTORECEPTOR CELLS such as the rods and the cones. Opsins have varied light absorption properties and are members of the G-PROTEIN-COUPLED RECEPTORS family. Their ligands are VITAMIN A-based chromophores.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Photosensitive proteins in the membranes of PHOTORECEPTOR CELLS such as the rods and the cones. Opsins have varied light absorption properties and are members of the G-PROTEIN-COUPLED RECEPTORS family. Their ligands are VITAMIN A-based chromophores.

MeSH Record

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MeSH Record

Synonyms

1 entry terms
  • Opsin

MeSH Record

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

History Note

2009; for OPSIN use OPSIN 1993-2008

MeSH Record

Previous Indexing

  • Opsin (1993-2008)
  • Retinal Pigments (1977-1992)

MeSH Hierarchy

Tree Numbers

  1. D12.776w.306.466w
  2. D23.767w.930.750w

AMA Style

References

  1. National Library of Medicine. Opsins. Medical Subject Headings (MeSH). 2026. Unique ID D055355. http://id.nlm.nih.gov/mesh/2026/D055355
  2. Opsins. In: Wikipedia. https://en.wikipedia.org/wiki/Opsin
  3. Opsins. In: Wikidata. https://www.wikidata.org/wiki/Q24785022