Title: aortic arch Long Title: IUPAC Gold Book - aortic arch DOI: 10.1351/goldbook.10418 Status: current Definition Curved portion of the aorta between its ascending portion exiting the heart and its descending portion that proceeds to the arteries of the thoracic and abdominal cavities and the lower body. Related Terms - abdominal cavities: https://goldbook.iupac.org/terms/view/10318 - aorta: https://goldbook.iupac.org/terms/view/10416 Source - PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 725 (https://doi.org/10.1515/pac-2015-1202) Other Outputs - html: https://goldbook.iupac.org/terms/view/10418/html - json: https://goldbook.iupac.org/terms/view/10418/json - xml: https://goldbook.iupac.org/terms/view/10418/xml Citation: Citation: 'aortic arch' 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.10418 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: 2026-05-10T07:21:25+00:00