Chemicals and Drugs

I Blood-Group System

A blood group related both to the ABO and P systems that includes several different antigens found in most people on erythrocytes, in milk, and in saliva. The antibodies react only at low temperatures.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A blood group related both to the ABO and P systems that includes several different antigens found in most people on erythrocytes, in milk, and in saliva. The antibodies react only at low temperatures.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

6 entry terms
  • Blood-Group System, I
  • Blood-Group Systems, I
  • I Blood Group System
  • I Blood-Group Systems
  • System, I Blood-Group
  • Systems, I Blood-Group

MeSH Record

Aspects Covered

21 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analysis, biosynthesis, blood, cerebrospinal fluid, chemistry, classification, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacology, physiology, poisoning, therapeutic use, toxicity, ultrastructure, urine.

MeSH Record

Indexing Annotation

IM; coord with disease /blood (IM), not /immunol nor /genet; TN 230

MeSH Record

History Note

91(76); was see under BLOOD GROUPS 1976-90

MeSH Record

Previous Indexing

  • Blood Groups (1966-1975)

MeSH Hierarchy

Tree Numbers

  1. D23.050w.301.290.501w
  2. D23.050w.705.230.501w

AMA Style

References

  1. National Library of Medicine. I Blood-Group System. Medical Subject Headings (MeSH). 2026. Unique ID D007048. http://id.nlm.nih.gov/mesh/2026/D007048
  2. I Blood-Group System. In: Wikipedia. https://en.wikipedia.org/wiki/Ii_antigen_system
  3. I Blood-Group System. In: Wikidata. https://www.wikidata.org/wiki/Q5994905