Definition(s)
- An aggregate of cells with similar or identical specialized characteristics, contributing to the performance of a specific function. Tissues are parts of organs. Representative examples include epithelium, lymphoid tissue, and connective tissue.
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Definition from: Unified Medical Language System
(NCI Thesaurus)
at the National Library of Medicine
- A group or layer of cells that together perform a specific function.
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Definition from: Human Genome Project Information
at the U.S. Department of Energy
Related discussion in the Handbook
See also Understanding Medical Terminology.