Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https://
means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
(Includes MeSH 2023 and 2024 changes) The MeSH 2025 Update - Preferred Term Update Report lists changes to the Preferred Term of a Descriptor or a Supplementary Concept Record (SCR). This report...
data.gov
An official website of the GSA's Technology Transformation Services