Title: conal growth hypothesis
Long Title: IUPAC Gold Book - conal growth hypothesis
DOI: 10.1351/goldbook.10549
Status: current

Definition
Hypothesis that explains transposition of the great arteries of the heart by failure of the aortopulmonary septum to follow a spiral course during partitioning of the bulbus cordis and truncus arteriosus in the process of forming the aorta and pulmonary trunk.

Related Terms
- aorta: https://goldbook.iupac.org/terms/view/10416
- aortopulmonary septum: https://goldbook.iupac.org/terms/view/10419
- bulbus cordis: https://goldbook.iupac.org/terms/view/10480
- pulmonary: https://goldbook.iupac.org/terms/view/11156
- transposition of the great arteries: https://goldbook.iupac.org/terms/view/11315
- truncus arteriosus: https://goldbook.iupac.org/terms/view/11328

Source
- PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 738 (https://doi.org/10.1515/pac-2015-1202)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/10549/html
- json: https://goldbook.iupac.org/terms/view/10549/json
- xml: https://goldbook.iupac.org/terms/view/10549/xml

Citation: Citation: 'conal growth hypothesis' 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.10549
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.
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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: 2026-05-10T05:34:20+00:00