Title: autonomic nervous system Long Title: IUPAC Gold Book - autonomic nervous system DOI: 10.1351/goldbook.11625 Status: current Definition Part of the peripheral nervous system controlling the bodily functions that are not consciously directed, e.g., breathing, heart rate, and digestive processes. Related Term - peripheral nervous system: https://goldbook.iupac.org/terms/view/12003 Source - PAC, 2015, 87, 841. 'IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)' on page 851 (https://doi.org/10.1515/pac-2015-0103) Other Outputs - html: https://goldbook.iupac.org/terms/view/11625/html - json: https://goldbook.iupac.org/terms/view/11625/json - xml: https://goldbook.iupac.org/terms/view/11625/xml Citation: Citation: 'autonomic nervous system' 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.11625 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: 2026-05-10T17:26:23+00:00