Chemicals and Drugs

Tetrapyrroles

Four PYRROLES joined by one-carbon unit linking position 2 of one to position 5 of the next. The conjugated bond system results in PIGMENTATION.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Four PYRROLES joined by one-carbon unit linking position 2 of one to position 5 of the next. The conjugated bond system results in PIGMENTATION.

MeSH Record

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MeSH Record

Synonyms

1 entry terms
  • Tetrapyrrole

MeSH Record

Aspects Covered

28 allowable subheadings

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

MeSH Record

History Note

2004; use TETRAPYRROLES (NM) 1978-2003

MeSH Record

Previous Indexing

  • Pyrroles (1966-2003)

MeSH Hierarchy

Tree Numbers

  1. D03w.383.129w.578.840w
  2. D03w.633.400.909w
  3. D04w.345w.783w

AMA Style

References

  1. National Library of Medicine. Tetrapyrroles. Medical Subject Headings (MeSH). 2026. Unique ID D045725. http://id.nlm.nih.gov/mesh/2026/D045725
  2. Tetrapyrroles. In: Wikipedia. https://en.wikipedia.org/wiki/Tetrapyrrole
  3. Tetrapyrroles. In: Wikidata. https://www.wikidata.org/wiki/Q422399