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Developmental anatomy of the liver from computerized three-dimensional reconstructions of four human embryos (from Carnegie stage 14 to 23)

Abstract : BACKGROUND & AIM: Some aspects of human embryogenesis and organogenesis remain unclear, especially concerning the development of the liver and its vasculature. The purpose of this study was to investigate, from a descriptive standpoint, the evolutionary morphogenesis of the human liver and its vasculature by computerized three-dimensional reconstructions of human embryos. MATERIAL & METHODS: Serial histological sections of four human embryos at successive stages of development belonging to three prestigious French historical collections were digitized and reconstructed in 3D using software commonly used in medical radiology. Manual segmentation of the hepatic anatomical regions of interest was performed section by section. RESULTS: In this study, human liver organogenesis was examined at Carnegie stages 14, 18, 21 and 23. Using a descriptive and an analytical method, we showed that these stages correspond to the implementation of the large hepatic vascular patterns (the portal system, the hepatic artery and the hepatic venous system) and the biliary system. CONCLUSION: To our knowledge, our work is the first descriptive morphological study using 3D computerized reconstructions from serial histological sections of the embryonic development of the human liver between Carnegie stages 14 and 23.
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https://hal.univ-lorraine.fr/hal-01729704
Contributor : Iadi Ul <>
Submitted on : Monday, March 12, 2018 - 5:20:25 PM
Last modification on : Sunday, January 10, 2021 - 10:46:37 PM

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Martin Lhuaire, Romain Tonnelet, Yohann Renard, Tullio Piardi, Daniele Sommacale, et al.. Developmental anatomy of the liver from computerized three-dimensional reconstructions of four human embryos (from Carnegie stage 14 to 23). Annals of Anatomy - Anatomischer Anzeiger, 2015, 200, pp.105 - 113. ⟨10.1016/j.aanat.2015.02.012⟩. ⟨hal-01729704⟩

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