Medical Subject Headings
Medical Subject Headings atau disingkat (MeSH) adalah pengaturan pendaftaran kata kedalam sebuah daftar kata (atau sistem metadata) untuk penggunaan indekfikasi artikal-artikal jurnal dan buku dalam ilmu kesehatan. Dibuat dan diperbaiki oleh United States National Library of Medicine atau (NLM), ini digunakan oleh pusat data artikel database MEDLINE / PubMed dan juga kumpulan katalog dan buku dari NLM. MeSH dapat di browse dan diunduh secara bebas dari ketentuan internet. sejak 2007 versi cetak sudah tiada lagi.

Katagori 
Hiraki penulisan pada MeSH adalah:
 Anatomy [A]
  --- body regions
  --- musculoskeletal system
  --- digestive system
  --- respiratory system
  --- urogenital system
  --- endocrine system
  --- cardiovascular system
  --- nervous system
  --- sense organs
  --- biological tissues
  --- cells
  --- fluids and secretions
  --- animal structures
  --- stomatognathic system
  --- hemic and immune systems
  --- embryonic structures
  --- integumentary system

 Organisms [B]
  --- animals
  --- algae
  --- bacteria
  --- viruses
  --- fungi
  --- plants
  --- archaea
  --- mesomycetozoea

 Diseases [C]
  --- bacterial infections and mycoses
  --- virus diseases
  --- parasitic diseases
  --- neoplasms
  --- musculoskeletal diseases
  --- digestive system diseases
  --- stomatognathic diseases
  --- respiratory tract diseases
  --- otorhinolaryngologic diseases
  --- nervous system diseases
  --- eye diseases
  --- urologic and male genital diseases
  --- female genital diseases and pregnancy complications
  --- cardiovascular diseases
  --- hemic and lymphatic diseases
  --- congenital, hereditary, and neonatal diseases and abnormalities
  --- skin and connective tissue diseases
  --- nutritional and metabolic diseases
  --- endocrine system diseases
  --- immune system diseases
  --- disorders of environmental origin
  --- animal diseases
  --- pathological conditions, signs and symptoms

 Chemicals and Drugs [D]
  --- inorganic chemicals
  --- organic chemicals
  --- heterocyclic compounds
  --- polycyclic compounds
  --- macromolecular substances
  --- hormones, hormone substitutes, and hormone antagonists
  --- enzymes and coenzymes
  --- carbohydrates
  --- lipids
  --- amino acids, peptides, and proteins
  --- nucleic acids, nucleotides, and nucleosides
  --- complex mixtures
  --- biological factors
  --- biomedical and dental materials
  --- pharmaceutical preparations
  --- chemical actions and uses

 Analytical, Diagnostic and Therapeutic Techniques and Equipment [E]
  --- diagnosis
  --- therapeutics
  --- anesthesia and analgesia
  --- surgical procedures, operative
  --- investigative techniques
  --- dentistry
  --- equipment and supplies

 Psychiatry and Psychology [F]
  --- behavior and behavior mechanisms
  --- psychological phenomena and processes
  --- mental disorders
  --- behavioral disciplines and activities

 Biological Sciences [G]
  --- biological sciences
  --- health occupations
  --- environment and public health
  --- biological phenomena, cell phenomena, and immunity
  --- genetic processes
  --- biochemical phenomena, metabolism, and nutrition
  --- physiological processes
  --- reproductive and urinary physiology
  --- circulatory and respiratory physiology
  --- digestive, oral, and skin physiology
  --- musculoskeletal, neural, and ocular physiology
  --- chemical and pharmacologic phenomena
  --- genetic phenomena
  --- genetic structures

 Physical Sciences [H]
  --- natural sciences

 Anthropology, Education, Sociology and Social Phenomena [I]
  --- social sciences
  --- education
  --- human activities

 Technology and Food and Beverages [J]
  --- technology, industry, and agriculture
  --- food and beverages

 Humanities [K]
  --- humanities

 Information Science [L]
  --- information science

 Persons [M]
  --- persons

 Health Care [N]
  --- population characteristics
  --- health care facilities, manpower, and services
  --- health care economics and organizations
  --- health services administration
  --- health care quality, access, and evaluation

 Publication Characteristics [V]
  --- publication components (publication type)
  --- publication formats (publication type)
  --- study characteristics (publication type)
  --- support of research

 Geographic Locations [Z]
  --- geographic locations

Pranala luar 
 Medical Subject Heading Home provided by National Library of Medicine, National Institutes of Health (U.S.)
 MeSH database tutorials
 Browsing MeSH:
 Entrez
 MeSH Browser
 GoPubMed (above)
 MeSHine 
 Reference.MD
 SHARing Point 
 List of qualifiers - 2008

Bioinformatika
Penelitian medis
Klasifikasi medis
Pustaka katalog dan klasifikasi