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The Royal Society, Journal of the Royal Society. Interface, 87(10), p. 20130584, 2013

DOI: 10.1098/rsif.2013.0584

The Royal Society, Journal of the Royal Society. Interface, 86(10), p. 20130442, 2013

DOI: 10.1098/rsif.2013.0442

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Cranial sutures work collectively to distribute strain throughout the reptile skull

Journal article published in 2013 by Neil Curtis, M. E. H. Jones, S. E. Evans, P. O'Higgins, M. J. Fagan
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The skull is composed of many bones that come together at sutures. These sutures are important sites of growth, and as growth ceases some become fused while others remain patent. Their mechanical behaviour and how they interact with changing form and loadings to ensure balanced craniofacial development is still poorly understood. Early suture fusion often leads to disfiguring syndromes, thus is it imperative that we understand the function of sutures more clearly. By applying advanced engineering modelling techniques, we reveal for the first time that patent sutures generate a more widely distributed, high level of strain throughout the reptile skull. Without patent sutures, large regions of the skull are only subjected to infrequent low-level strains that could weaken the bone and result in abnormal development. Sutures are therefore not only sites of bone growth, but could also be essential for the modulation of strains necessary for normal growth and development in reptiles. ; Neil Curtis, M. E. H. Jones, S. E. Evans, P. O'Higgins and M. J. Fagan