Organisms

Rheiformes

An order of large, long-necked, long-legged, flightless birds, found in South America. Known as rheas, they are sometimes called American ostriches, though they are in a separate order from true OSTRICHES.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An order of large, long-necked, long-legged, flightless birds, found in South America. Known as rheas, they are sometimes called American ostriches, though they are in a separate order from true OSTRICHES.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

9 entry terms
  • Ostriches, American
  • Rheas
  • American Ostriches
  • Ostrich, American
  • Rhea
  • Rhea americana
  • American Ostrich
  • American Ostrichs
  • Ostrichs, American

MeSH Record

Aspects Covered

17 allowable subheadings

Indexed with the subheadings abnormalities, anatomy & histology, blood, cerebrospinal fluid, classification, embryology, genetics, growth & development, immunology, injuries, metabolism, microbiology, parasitology, physiology, surgery, urine, virology.

MeSH Record

Indexing Annotation

note entry term OSTRICH, AMERICAN: OSTRICHES see STRUTHIONIFORMES is available

MeSH Record

History Note

2005 (1999)

MeSH Record

Previous Indexing

  • Birds (1971-1998)

MeSH Hierarchy

Tree Number

  1. B01w.050w.150w.900w.248w.600w.750w

AMA Style

References

  1. National Library of Medicine. Rheiformes. Medical Subject Headings (MeSH). 2026. Unique ID D020311. http://id.nlm.nih.gov/mesh/2026/D020311
  2. Rheiformes. In: Wikipedia. https://en.wikipedia.org/wiki/Rheiformes
  3. Rheiformes. In: Wikidata. https://www.wikidata.org/wiki/Q1113470