Module 2—Introduction to Medical Subject Headings (MeSH) and the MeSH Browser

Introduction

Module 1
Subject Analysis Principles

• Review Questions

Module 2
Introduction to Medical Subject Headings (MeSH) and the MeSH Browser

• Review Questions

Module 3
Selecting the Main Concept

• Review Questions

Module 4
Use of Topical Subheadings in MeSH

• Review Questions

Module 5
Geographic Headings

• Review Questions

Module 6
Publication Types

• Review Questions

Module 7
Names as Subjects

• Review Questions

Module 8
Deconstructed Headings vs. Subject Strings

• Review Questions

MeSH Heading and Unique Identifier

• MeSH Heading
  • The preferred term for a descriptor
    • Often a broader concept that includes narrower sub-concepts

• Unique Identifier
  • Seven-character alpha-numeric string uniquely identifying a descriptor
  • Always starts with the letter “D”

Tree Number

• Alpha-numeric string referring to the location of the term within a hierarchy

• Used for drilling down in the MeSH vocabulary
  • Example
    • C02.839.040 is one of the tree numbers for Acquired Immunodeficiency Syndrome

• Shorter tree numbers indicate more general terms

• Longer tree numbers indicate more specific terms

• Tree numbers are MeSH attributes and should not be confused with classification numbers

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