Medical Subject Headings
Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual differences | Personality | Philosophy | Social | Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology | Professional Psychology: Debating Chamber · Psychology Journals · Psychologists Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. Created and updated by the United States National Library of Medicine (NLM), it is used by the MEDLINE article database and by NLM's catalog of book holdings. MeSH can be browsed and downloaded free of charge on the Internet; a printed version is published once a year. The vocabulary and its supporting informatics systems were designed to be used both by indexing professionals and by medical staff with various degrees of computer experience. Using the vocabulary in support of database searches with the goal of scientific research often requires the help of specialized subject librarians. MeSH has a strong clinical bent, making non-clinical searches, such as those being done to support epidemiological studies, more difficult than the norm. File:MeSH-example.svg The 2005 version of MeSH contains a total of 22,568 subject headings, also known as descriptors. Most of these are accompanied by a short definition, links to related descriptors, and a list of synonyms or very similar terms (known as entry terms). Because of these synonym lists, MeSH can also be viewed as a thesaurus. The descriptors are arranged in a hierarchy. A given descriptor may appear at several places in the hierarchy, similar to Wikipedia's category system. In addition to the descriptor hierarchy, MeSH contains a small number of standard qualifiers (also known as subheadings), which can be added to descriptors to narrow down the topic. For example, "Measles" is a descriptor and "epidemiology" is a qualifier; "Measles/epidemiology" describes the subheading of epidemiological articles about Measles. The "epidemiology" qualifier can be added to all other disease descriptors. Not all descriptor/qualifier combinations are allowed since some of them may be meaningless. In all there are 83 different qualifiers. In MEDLINE, every journal article is indexed with some 10-15 headings or subheadings, with one or two of them designated as major and marked with an asterisk. When performing a MEDLINE search, entry terms are automatically translated into the corresponding descriptors. Furthermore, by default all the descriptors below the given one in the hierarchy are included in the search. In addition to the descriptors, MeSH also contains some 139,000 Supplementary Concept Records. These do not belong to the controlled vocabulary as such and are not used for indexing MEDLINE articles; instead they enlarge the thesaurus and contain links to the closest fitting descriptor to be used in a MEDLINE search. Many of these records describe chemical substances. MeSH has been translated into numerous other languages and allows retrieval of documents from different languages. Toplevel categories The toplevel categories in the MeSH descriptor hierarchy are: Anatomy [A] MeSH A01 --- body regions MeSH A02 --- musculoskeletal system MeSH A03 --- digestive system MeSH A04 --- respiratory system MeSH A05 --- urogenital system MeSH A06 --- endocrine system MeSH A07 --- cardiovascular system MeSH A08 --- nervous system MeSH A09 --- sense organs MeSH A10 --- tissues MeSH A11 --- cells MeSH A12 --- fluids and secretions MeSH A13 --- animal structures MeSH A14 --- stomatognathic system MeSH A15 --- hemic and immune systems MeSH A16 --- embryonic structures MeSH A17 --- integumentary system organisms [B] MeSH B01 --- animals MeSH B02 --- algae MeSH B03 --- bacteria MeSH B04 --- viruses MeSH B05 --- fungi MeSH B06 --- plants MeSH B07 --- archaea MeSH B08 --- mesomycetozoea Diseases [C] MeSH C01 --- bacterial infections and mycoses MeSH C02 --- virus diseases MeSH C03 --- parasitic diseases MeSH C04 --- neoplasms MeSH C05 --- musculoskeletal diseases MeSH C06 --- digestive system diseases MeSH C07 --- stomatognathic diseases MeSH C08 --- respiratory tract diseases MeSH C09 --- otorhinolaryngologic diseases MeSH C10 --- nervous system diseases MeSH C11 --- eye diseases MeSH C12 --- urologic and male genital diseases MeSH C13 --- female genital diseases and pregnancy complications MeSH C14 --- cardiovascular diseases MeSH C15 --- hemic and lymphatic diseases MeSH C16 --- congenital, hereditary, and neonatal diseases and abnormalities MeSH C17 --- skin and connective tissue diseases MeSH C18 --- nutritional and metabolic diseases MeSH C19 --- endocrine system diseases MeSH C20 --- immune system diseases MeSH C21 --- disorders of environmental origin MeSH C22 --- animal diseases MeSH C23 --- pathological conditions, signs and symptoms Chemicals and Drugs [D] MeSH D01 --- inorganic chemicals MeSH D02 --- organic chemicals MeSH D03 --- heterocyclic compounds MeSH D04 --- polycyclic compounds MeSH D05 --- macromolecular substances MeSH D06 --- hormones, hormone substitutes, and hormone antagonists MeSH D08 --- enzymes and coenzymes MeSH D09 --- carbohydrates MeSH D10 --- lipids MeSH D12 --- amino acids, peptides, and proteins MeSH D13 --- nucleic acids, nucleotides, and nucleosides MeSH D20 --- complex mixtures MeSH D23 --- biological factors MeSH D25 --- biomedical and dental materials MeSH D26 --- pharmaceutical preparations MeSH D27 --- chemical actions and uses Analytical, Diagnostic and Therapeutic Techniques and Equipment [E] MeSH E01 --- diagnosis MeSH E02 --- therapeutics MeSH E03 --- anesthesia and analgesia MeSH E04 --- surgical procedures, operative MeSH E05 --- investigative techniques MeSH E06 --- dentistry MeSH E07 --- equipment and supplies Psychiatry and Psychology [F] MeSH F01 --- behavior and behavior mechanisms MeSH F02 --- psychological phenomena and processes MeSH F03 --- mental disorders MeSH F04 --- behavioral disciplines and activities Biological Sciences [G] MeSH G01 --- biological sciences MeSH G02 --- health occupations MeSH G03 --- environment and public health MeSH G04 --- biological phenomena, cell phenomena, and immunity MeSH G05 --- genetic processes MeSH G06 --- biochemical phenomena, metabolism, and nutrition MeSH G07 --- physiological processes MeSH G08 --- reproductive and urinary physiology MeSH G09 --- circulatory and respiratory physiology MeSH G10 --- digestive, oral, and skin physiology MeSH G11 --- musculoskeletal, neural, and ocular physiology MeSH G12 --- chemical and pharmacologic phenomena MeSH G13 --- genetic phenomena MeSH G14 --- genetic structures Physical Sciences [H] MeSH H01 --- natural sciences Anthropology, Education, Sociology and Social Phenomena [I] MeSH I01 --- social sciences MeSH I02 --- education MeSH I03 --- human activities Technology and Food and Beverages [J] MeSH J01 --- technology, industry, and agriculture MeSH J02 --- food and beverages Humanities [K] MeSH K01 --- humanities Information Science [L] MeSH L01 --- information science Persons [M] MeSH M01 --- persons Health Care [N] MeSH N01 --- population characteristics MeSH N02 --- health care facilities, manpower, and services MeSH N03 --- health care economics and organizations MeSH N04 --- health services administration MeSH N05 --- health care quality, access, and evaluation Publication Characteristics [V] MeSH V01 --- publication components (publication type) MeSH V02 --- publication formats (publication type) MeSH V03 --- study characteristics (publication type) MeSH V04 --- support of research Geographic Locations [Z] MeSH Z01 --- geographic locations See also Medical classification Controlled vocabulary MEDLINE Wikipedia:MeSH External links Medical Subject Headings - Home Page Browsing MeSH: Through Entrez MeSH Browser List of qualifiers de:Medical Subject Headings This page uses Creative Commons Licensed content from Wikipedia (view authors).
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