Title: biopsy Long Title: IUPAC Gold Book - biopsy DOI: 10.1351/goldbook.15515 Status: current Definition Excision of a small piece of living tissue for microscopic or biochemical examination; usually performed to establish a diagnosis. Source - PAC, 2007, 79, 1153. 'Glossary of terms used in toxicology, 2nd edition (IUPAC Recommendations 2007)' on page 1181 (https://doi.org/10.1351/pac200779071153) Other Outputs - html: https://goldbook.iupac.org/terms/view/15515/html - json: https://goldbook.iupac.org/terms/view/15515/json - xml: https://goldbook.iupac.org/terms/view/15515/xml Citation: Citation: 'biopsy' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.15515 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. Accessed: 2026-06-04T20:39:44+00:00