Anatomy

Oocysts

Zygote-containing cysts of sporozoan protozoa. Further development in an oocyst produces small individual infective organisms called SPOROZOITES. Then, depending on the genus, the entire oocyst is called a sporocyst or the oocyst contains multiple sporocysts encapsulating the sporozoites.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Zygote-containing cysts of sporozoan protozoa. Further development in an oocyst produces small individual infective organisms called SPOROZOITES. Then, depending on the genus, the entire oocyst is called a sporocyst or the oocyst contains multiple sporocysts encapsulating the sporozoites.

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

MeSH Record

Synonyms

3 entry terms
  • Oocyst
  • Sporocysts
  • Sporocyst

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

History Note

2003

MeSH Hierarchy

Tree Numbers

  1. A11w.870w.740.600
  2. B05.500.675
  3. B05.775w.740.600
  4. G07.345.500w.550w.500.675

AMA Style

References

  1. National Library of Medicine. Oocysts. Medical Subject Headings (MeSH). 2026. Unique ID D033661. http://id.nlm.nih.gov/mesh/2026/D033661
  2. Oocysts. In: Wikidata. https://www.wikidata.org/wiki/Q143715