Chemicals and Drugs

Ricin

A protein phytotoxin from the seeds of Ricinus communis, the castor oil plant. It agglutinates cells, is proteolytic, and causes lethal inflammation and hemorrhage if taken internally.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A protein phytotoxin from the seeds of Ricinus communis, the castor oil plant. It agglutinates cells, is proteolytic, and causes lethal inflammation and hemorrhage if taken internally.

MeSH Record

Classification

Related Concepts

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Drug Class

Pharmacological Action

MeSH Record

See Also

MeSH Record

Synonyms

16 entry terms
  • Castor Bean Lectin
  • Lectin, Castor Bean
  • Lectin, Ricinus
  • RCA 60
  • RCA60
  • Ricin Toxin
  • Ricinus Toxin
  • Ricinus Lectin
  • Toxin, Ricin
  • Toxin, Ricinus
  • Ricin A Chain
  • Ricin B Chain
  • Ricin D
  • Ricin I
  • A Chain, Ricin
  • B Chain, Ricin

MeSH Record

Aspects Covered

29 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, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, ultrastructure, urine.

MeSH Record

Indexing Annotation

/antag: consider also ANTITOXINS

MeSH Record

History Note

78(64); was see under PLANT PROTEINS 1975-77

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

QW 630.5.R5

AMA Style

References

  1. National Library of Medicine. Ricin. Medical Subject Headings (MeSH). 2026. Unique ID D012276. http://id.nlm.nih.gov/mesh/2026/D012276
  2. Ricin. In: Wikipedia. https://en.wikipedia.org/wiki/Ricin
  3. Ricin. In: Wikidata. https://www.wikidata.org/wiki/Q408668