- Individuals classified according to their sex, racial origin, religion, common place of living, financial or social status, or some other cultural or behavioral attribute. (UMLS, 2003)
Definition from: MeSH via Unified Medical Language System at the National Library of Medicine
- A group of individuals united by a common factor (e.g., geographic location, ethnicity, disease, age, gender)
Definition from: NCI Thesaurus via Unified Medical Language System at the National Library of Medicine
- 1 : the whole number of people or inhabitants in a country or region.
2 a : a body of persons or individuals having a quality or characteristic in common. b (1) : the organisms inhabiting a particular locality. (2) : a group of interbreeding organisms that represents the level of organization at which speciation begins.
3 : a group of individual persons, objects, or items from which samples are taken for statistical measurement.
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
Related discussion in the Handbook
See also Understanding Medical Terminology.