Organisms

Apicomplexa

A phylum of unicellular parasitic EUKARYOTES characterized by the presence of complex apical organelles generally consisting of a conoid that aids in penetrating host cells, rhoptries that possibly secrete a proteolytic enzyme, and subpellicular microtubules that may be related to motility.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A phylum of unicellular parasitic EUKARYOTES characterized by the presence of complex apical organelles generally consisting of a conoid that aids in penetrating host cells, rhoptries that possibly secrete a proteolytic enzyme, and subpellicular microtubules that may be related to motility.

MeSH Record

Classification

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MeSH Record

Synonyms

5 entry terms
  • Apicomplexas
  • Sporozoa
  • Sporozoea
  • Sporozoas
  • Sporozoeas

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

general; prefer specifics; infection: coordinate IM with PROTOZOAN INFECTIONS (IM); coordinate with specific protozoan terms (ANTIGENS, PROTOZOAN, etc.) if pertinent

MeSH Record

History Note

1992

MeSH Hierarchy

Tree Number

  1. B01w.043w.075w

MeSH Record

NLM Classification

QW 208

AMA Style

References

  1. National Library of Medicine. Apicomplexa. Medical Subject Headings (MeSH). 2026. Unique ID D016782. http://id.nlm.nih.gov/mesh/2026/D016782
  2. Apicomplexa. In: Wikipedia. https://en.wikipedia.org/wiki/Apicomplexa
  3. Apicomplexa. In: Wikidata. https://www.wikidata.org/wiki/Q193030