Medical Subject Headings (MeSH), 2026 edition
Source: U.S. National Library of Medicine (NLM)

The included catalogue is a reduced index of descriptor labels and labels
of the preferred concepts from NLM's 2026 MeSH descriptor release.
It is a fixed 2026 reference, not a live feed. NLM does not endorse REMI.

Official download:
https://nlmpubs.nlm.nih.gov/projects/mesh/MESH_FILES/xmlmesh/desc2026.gz
SHA-256 of source download:
ccd4d0d33bebfd4c836a59e7dd0c635b1d4e20c4f5a6abc55e2eb0ba4c8716dd

NLM terms and conditions:
https://www.nlm.nih.gov/databases/download/terms_and_conditions_mesh.html

Build the reduced index with packaging/build_mesh_catalogue.py.
