{"term":{"id":"15455","title":"allometric growth","longtitle":"IUPAC Gold Book - allometric growth","doi":"10.1351\/goldbook.15455","code":"15455","status":"current","definitions":[{"id":1,"text":"Regular and systematic pattern of growth such that the mass or size of any organ or part of a body can be expressed in relation to the total mass or size of the entire organism according to the allometric equation: \\[Y = b{x^{\\alpha}}\\] where \\(Y\\) = mass of the organ, \\(x\\) = mass of the organism, \\(\\alpha\\) = growth coefficient of the organ, and \\(b\\) is a constant.","sources":["PAC, 2007, 79, 1153. 'Glossary of terms used in toxicology, 2nd edition (IUPAC Recommendations 2007)' on page 1164 (https:\/\/doi.org\/10.1351\/pac200779071153)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/15455\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/15455\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/15455\/plain"},"citation":"Citation: 'allometric growth' 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.15455","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":"2026-04-17T23:57:43+00:00"}}