Organisms

Euglenida

A phylum of unicellular flagellates of ancient eukaryotic lineage with unclear taxonomy. They lack a CELL WALL but are covered by a proteinaceous flexible coat, the pellicle, that allows the cell to change shape. Historically some authorities considered them to be an order of protozoa and others classed them as ALGAE (some members have CHLOROPLASTS and some don't).

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A phylum of unicellular flagellates of ancient eukaryotic lineage with unclear taxonomy. They lack a CELL WALL but are covered by a proteinaceous flexible coat, the pellicle, that allows the cell to change shape. Historically some authorities considered them to be an order of protozoa and others classed them as ALGAE (some members have CHLOROPLASTS and some don't).

MeSH Record

Classification

Broader headings

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MeSH Record

Synonyms

5 entry terms
  • Euglenids
  • Euglenophyta
  • Euglenid
  • Euglenidas
  • Euglenophytas

MeSH Record

Aspects Covered

17 allowable subheadings

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

MeSH Record

Indexing Annotation

infection; coordinate IM with EUGLENOZOA INFECTIONS (IM); coordinate with specific protozoan terms (ANTIGENS, PROTOZOAN, etc) if pertinent

MeSH Record

History Note

92

MeSH Hierarchy

Tree Number

  1. B01w.268.250

AMA Style

References

  1. National Library of Medicine. Euglenida. Medical Subject Headings (MeSH). 2026. Unique ID D016822. http://id.nlm.nih.gov/mesh/2026/D016822
  2. Euglenida. In: Wikidata. https://www.wikidata.org/wiki/Q18916511