Classification (also known as Classifications, Systematics): The systematic arrangement of entities in any field into categories classes based on common characteristics such as properties, morphology, subject matter, etc.

NIH MeSH · D002965Information Science

Classification

Also known asClassifications · Systematics · Taxonomy · Taxonomies

Definition

The systematic arrangement of entities in any field into categories classes based on common characteristics such as properties, morphology, subject matter, etc.

MeSH classification

  • L01.100
  • L01.462.750.245.275

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Related concepts

Abbreviations as Topic

Works about shortened forms of written words or phrases used for brevity.

Abstracting and Indexing

Works about activities performed to identify concepts and aspects of published information and research reports.

Academic Dissertations as Topic

Works about substantial papers written by candidates for an academic degree under the individual direction of a professor or papers written …

Almanacs as Topic

Works on publications, usually annual, containing a calendar for the coming year, the times of such events and phenomena as anniversaries, s…

Altmetrics

Non-traditional journal impact measures that include tracking of downloads; mentions in SOCIAL MEDIA, NEWS reports, BLOGS, and online ENCYCL…

Ambient Intelligence

An emerging paradigm in which people are empowered through intelligent (digital) tools embedded in the surrounding environment. These tools …

Analog-Digital Conversion

The process of converting analog data to discrete, digital form.

Anonyms and Pseudonyms

Designations for persons whose names are not known or who wish to remain anonymous (anonyms) and for persons who wish to conceal or obscure …

Common questions about Classification

What does Classification mean in medicine?
The systematic arrangement of entities in any field into categories classes based on common characteristics such as properties, morphology, subject matter, etc. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Classification known by any other names?
Yes. Classification is also referred to as Classifications, Systematics, Taxonomy, Taxonomies in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Classification sit in the medical classification?
Classification falls under the broader medical category "Information Science" in the MeSH hierarchy (tree numbers: L01.100, L01.462.750.245.275). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Classification?
For a plain-language explanation of Classification - including symptoms, treatments and what it means for an Indian patient - ask GoDavaii's Health AI. It works in 22+ Indian languages, is free and needs no signup. Tap "Ask GoDavaii AI about Classification" above.

Source: NIH MeSH 2026 (D002965) — National Library of Medicine, public domain. View official MeSH record ↗