MeSH Tree Browser
Explore the Medical Subject Headings (MeSH) taxonomy. Navigate the hierarchical tree to discover related terms, definitions, and linked library content. MeSH is maintained by the U.S. National Library of Medicine.
MeSH tree data has not been imported yet. The standard MeSH top-level categories are:
A
Anatomy—Body regions, organs, tissues, cells, and subcellular structures
B
Organisms—Bacteria, viruses, fungi, plants, and animals
C
Diseases—Pathological conditions, signs, and symptoms
D
Chemicals and Drugs—Chemical and pharmacological substances
E
Techniques & Equipment—Analytical, diagnostic, and therapeutic techniques
F
Psychiatry & Psychology—Behavioral sciences and mental health
G
Phenomena & Processes—Biological, chemical, and physical phenomena
H
Disciplines & Occupations—Health sciences and occupations
I
Social Sciences—Anthropology, education, sociology, and social phenomena
J
Technology & Agriculture—Technology, industry, food, and agriculture
K
Humanities—Arts, humanities, and ethics
L
Information Science—Information science, communications, and publications
M
Named Groups—Persons, population groups, and organisms
N
Health Care—Health care delivery, economics, and organizations
V
Publication Types—Publication characteristics and formats
Z
Geographicals—Geographic locations
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Click a node in the tree to view its definition, hierarchy position, and related library content.