Organisms

Streptococcus

A genus of gram-positive, coccoid bacteria whose organisms occur in pairs or chains. No endospores are produced. Many species exist as commensals or parasites on man or animals with some being highly pathogenic. A few species are saprophytes and occur in the natural environment.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A genus of gram-positive, coccoid bacteria whose organisms occur in pairs or chains. No endospores are produced. Many species exist as commensals or parasites on man or animals with some being highly pathogenic. A few species are saprophytes and occur in the natural environment.

MeSH Record

Classification

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MeSH Record

Aspects Covered

15 allowable subheadings

Indexed with the subheadings chemistry, classification, cytology, drug effects, enzymology, genetics, growth & development, immunology, isolation & purification, metabolism, pathogenicity, physiology, radiation effects, ultrastructure, virology.

MeSH Record

Indexing Annotation

general or unspecified; prefer specifics; hemolytic streptococci equals STREPTOCOCCUS unless specified in text as S. pyogenes, S. agalactiae, etc.; group A equals STREPTOCOCCUS PYOGENES; B equals STREPTOCOCCUS AGALACTIAE; D equals ENTEROCOCCUS FAECALIS; ENTEROCOCCUS FAECIUM; STREPTOCOCCUS BOVIS; S. equinus (index under STREPTOCOCCUS); N equals LACTOCOCCUS LACTIS; groups E, L, M, O, R, S go under STREPTOCOCCUS; infection equals STREPTOCOCCAL INFECTIONS

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

QW 142.5.C6

AMA Style

References

  1. National Library of Medicine. Streptococcus. Medical Subject Headings (MeSH). 2026. Unique ID D013291. http://id.nlm.nih.gov/mesh/2026/D013291
  2. Streptococcus. In: Wikipedia. https://en.wikipedia.org/wiki/Streptococcus
  3. Streptococcus. In: Wikidata. https://www.wikidata.org/wiki/Q190161