Geographicals

Northwestern United States

The geographic area of the northwestern region of the United States. The states usually included in this region are Idaho, Montana, Oregon, Washington, and Wyoming.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The geographic area of the northwestern region of the United States. The states usually included in this region are Idaho, Montana, Oregon, Washington, and Wyoming.

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

3 entry terms
  • Northwest U.S.
  • Northwest US
  • Pacific Northwest

MeSH Record

Aspects Covered

2 allowable subheadings

Indexed with the subheadings epidemiology, ethnology.

MeSH Record

Indexing Annotation

index specific states as needed but use NORTHWESTERN UNITED STATES when text uses the term & when the region is the intent of the author; CATALOGER: Use for 4 or more states

MeSH Record

History Note

89

MeSH Hierarchy

Tree Number

  1. Z01w.107w.567w.875w.560w

AMA Style

References

  1. National Library of Medicine. Northwestern United States. Medical Subject Headings (MeSH). 2026. Unique ID D015205. http://id.nlm.nih.gov/mesh/2026/D015205
  2. Northwestern United States. In: Wikipedia. https://en.wikipedia.org/wiki/Northwestern_United_States
  3. Northwestern United States. In: Wikidata. https://www.wikidata.org/wiki/Q944857