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Research on the dead body: Prospects in lesional anthropology using an animal model studied by microtomography

Abstract : Purpose of the study The experiment in anthropology is currently very difficult to carry out on humans, due to legal and ethical boundaries of research on the dead body in France. Anthropological research is therefore currently focusing on substitutes (both physical and digital) or on animals. It is essential to ensure that these substitutes may have characteristics transposable to humans. Materials and methods Microarchitectural characterization by microtomography of the skull was performed in this study. The aim was to identify the anatomical properties required for an animal model to be scientifically validated according to measured data in humans. Four human subjects who gave their bodies to research and 4 pigs sus domesticus were studied. Results This microtomographic study shows notable differences between human and porcine micro-anatomy, even though it seemed logical at a lesser scan resolution to expect similarity. Indeed, the cranial vault in humans and pigs are different in terms of morphometric microarchitectural parameters, in sections or volumes. Discussion Microtomography, through enhanced CT scan resolution, brings a new level of anthropological assessment. It has recently shown its interest in thanatology and can be valuable to identify and address existing challenges in research on the dead body. The improvement of the characterization of bone microarchitecture is one of the most promising field of research in this domain.
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Submitted on : Wednesday, December 1, 2021 - 4:32:30 PM
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Yann Delannoy, Thomas Colard, Anne Bécart, Guillaume Penel, Christophe Maréchal, et al.. Research on the dead body: Prospects in lesional anthropology using an animal model studied by microtomography. La Revue de Médecine Légale, Elsevier Masson, 2014, 5 (2), pp.83-90. ⟨10.1016/j.medleg.2014.04.001⟩. ⟨hal-03462162⟩



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