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The mesosternum of the Regourdou 1 Neandertal revisited
Fossil hominin mesosterna, while scarce, can provide useful morphological data in addition to rib remains regarding aspects of thoracic size and shape. These data, in turn, can address hypotheses related to respiratory dynamics, climatic adaptation, and ecogeographical patterning. In this study, we...
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Published in: | Journal of human evolution 2012-04, Vol.62 (4), p.511-519 |
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description | Fossil hominin mesosterna, while scarce, can provide useful morphological data in addition to rib remains regarding aspects of thoracic size and shape. These data, in turn, can address hypotheses related to respiratory dynamics, climatic adaptation, and ecogeographical patterning. In this study, we re-evaluate the anatomical representation of the mesosternum of the Regourdou 1 Neandertal individual that alters key aspects of the original description of the fossil remains. We compare this specimen together with the mesosterna of the Kebara 2 Neandertal male individual and the Tabun C1 Neandertal female individual to a large extant modern sample. Our study shows that the current evidence available for Neandertals indicates longer mesosterna, reflecting larger thorax sizes among Neandertals, in comparison with extant humans. Additionally, while this study weakens previous suggestions of ecogeographically mediated differences in the size and shape of upper thorax between Neandertals from the Mediterranean Levant and those deriving from Western Europe, we cannot unambiguously disprove the notion of such clinal differences.
El registro fósil de cuerpos esternales, aunque escaso, puede proporcionar importante información morfológica sobre ciertos aspectos del tamaño y forma del tórax. Estos datos pueden aportar hipótesis relacionadas con las dinámicas respiratorias, adaptación climática y patrones ecogeográficos. En este estudio, reevaluamos la representación anatómica del cuerpo esternal del individuo Neandertal Regourdou 1 que desafía la primera descripción de este fósil. Comparamos este individuo junto con los restos del Neandertal masculino de Kebara 2 y la mujer Neandertal Tabun C1 a una amplia muestra de comparación. Nuestro estudio demuestra que, con la escasa muestra de cuerpos esternales fósiles, los Neandertales tienen cuerpos esternales largos que están en relación con el gran tamaño de su caja torácica. Además, mientras que este estudio debilita hipótesis previas que sugieren la presencia de diferencias en el tamaño y forma de la parte superior del tórax entre los Neandertales del Levante Mediterráneo y Europa occidental, no podemos rechazar esta posibilidad de manera concluyente. |
doi_str_mv | 10.1016/j.jhevol.2012.01.004 |
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El registro fósil de cuerpos esternales, aunque escaso, puede proporcionar importante información morfológica sobre ciertos aspectos del tamaño y forma del tórax. Estos datos pueden aportar hipótesis relacionadas con las dinámicas respiratorias, adaptación climática y patrones ecogeográficos. En este estudio, reevaluamos la representación anatómica del cuerpo esternal del individuo Neandertal Regourdou 1 que desafía la primera descripción de este fósil. Comparamos este individuo junto con los restos del Neandertal masculino de Kebara 2 y la mujer Neandertal Tabun C1 a una amplia muestra de comparación. Nuestro estudio demuestra que, con la escasa muestra de cuerpos esternales fósiles, los Neandertales tienen cuerpos esternales largos que están en relación con el gran tamaño de su caja torácica. Además, mientras que este estudio debilita hipótesis previas que sugieren la presencia de diferencias en el tamaño y forma de la parte superior del tórax entre los Neandertales del Levante Mediterráneo y Europa occidental, no podemos rechazar esta posibilidad de manera concluyente.</description><identifier>ISSN: 0047-2484</identifier><identifier>EISSN: 1095-8606</identifier><identifier>DOI: 10.1016/j.jhevol.2012.01.004</identifier><identifier>PMID: 22382084</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Analysis of Variance ; Animals ; Anthropometry ; Archaeology and Prehistory ; Biological Evolution ; Climate change ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Female ; Fossil man ; Fossils ; France ; Homo neanderthalensis ; Humanities and Social Sciences ; Humans ; Israel ; Male ; Marine and continental quaternary ; Neanderthals - anatomy & histology ; Paleontology ; Primate behaviour ; Regression Analysis ; Rib cage ; Sternebrae ; Sternum - anatomy & histology ; Surficial geology ; Thorax ; United States ; Vertebrate paleontology</subject><ispartof>Journal of human evolution, 2012-04, Vol.62 (4), p.511-519</ispartof><rights>2012 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2012 Elsevier Ltd. All rights reserved.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c373t-14829bcbc5335e8af40391db8cbc97fb6a4815d88794f39dbade6eaadf4b28883</citedby><cites>FETCH-LOGICAL-c373t-14829bcbc5335e8af40391db8cbc97fb6a4815d88794f39dbade6eaadf4b28883</cites><orcidid>0000-0001-5361-2295 ; 0000-0002-7616-0073</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925,33224</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25767111$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22382084$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-01842864$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Gómez-Olivencia, Asier</creatorcontrib><creatorcontrib>Franciscus, Robert G.</creatorcontrib><creatorcontrib>Couture-Veschambre, Christine</creatorcontrib><creatorcontrib>Maureille, Bruno</creatorcontrib><creatorcontrib>Arsuaga, Juan Luis</creatorcontrib><title>The mesosternum of the Regourdou 1 Neandertal revisited</title><title>Journal of human evolution</title><addtitle>J Hum Evol</addtitle><description>Fossil hominin mesosterna, while scarce, can provide useful morphological data in addition to rib remains regarding aspects of thoracic size and shape. These data, in turn, can address hypotheses related to respiratory dynamics, climatic adaptation, and ecogeographical patterning. In this study, we re-evaluate the anatomical representation of the mesosternum of the Regourdou 1 Neandertal individual that alters key aspects of the original description of the fossil remains. We compare this specimen together with the mesosterna of the Kebara 2 Neandertal male individual and the Tabun C1 Neandertal female individual to a large extant modern sample. Our study shows that the current evidence available for Neandertals indicates longer mesosterna, reflecting larger thorax sizes among Neandertals, in comparison with extant humans. Additionally, while this study weakens previous suggestions of ecogeographically mediated differences in the size and shape of upper thorax between Neandertals from the Mediterranean Levant and those deriving from Western Europe, we cannot unambiguously disprove the notion of such clinal differences.
El registro fósil de cuerpos esternales, aunque escaso, puede proporcionar importante información morfológica sobre ciertos aspectos del tamaño y forma del tórax. Estos datos pueden aportar hipótesis relacionadas con las dinámicas respiratorias, adaptación climática y patrones ecogeográficos. En este estudio, reevaluamos la representación anatómica del cuerpo esternal del individuo Neandertal Regourdou 1 que desafía la primera descripción de este fósil. Comparamos este individuo junto con los restos del Neandertal masculino de Kebara 2 y la mujer Neandertal Tabun C1 a una amplia muestra de comparación. Nuestro estudio demuestra que, con la escasa muestra de cuerpos esternales fósiles, los Neandertales tienen cuerpos esternales largos que están en relación con el gran tamaño de su caja torácica. 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These data, in turn, can address hypotheses related to respiratory dynamics, climatic adaptation, and ecogeographical patterning. In this study, we re-evaluate the anatomical representation of the mesosternum of the Regourdou 1 Neandertal individual that alters key aspects of the original description of the fossil remains. We compare this specimen together with the mesosterna of the Kebara 2 Neandertal male individual and the Tabun C1 Neandertal female individual to a large extant modern sample. Our study shows that the current evidence available for Neandertals indicates longer mesosterna, reflecting larger thorax sizes among Neandertals, in comparison with extant humans. Additionally, while this study weakens previous suggestions of ecogeographically mediated differences in the size and shape of upper thorax between Neandertals from the Mediterranean Levant and those deriving from Western Europe, we cannot unambiguously disprove the notion of such clinal differences.
El registro fósil de cuerpos esternales, aunque escaso, puede proporcionar importante información morfológica sobre ciertos aspectos del tamaño y forma del tórax. Estos datos pueden aportar hipótesis relacionadas con las dinámicas respiratorias, adaptación climática y patrones ecogeográficos. En este estudio, reevaluamos la representación anatómica del cuerpo esternal del individuo Neandertal Regourdou 1 que desafía la primera descripción de este fósil. Comparamos este individuo junto con los restos del Neandertal masculino de Kebara 2 y la mujer Neandertal Tabun C1 a una amplia muestra de comparación. Nuestro estudio demuestra que, con la escasa muestra de cuerpos esternales fósiles, los Neandertales tienen cuerpos esternales largos que están en relación con el gran tamaño de su caja torácica. Además, mientras que este estudio debilita hipótesis previas que sugieren la presencia de diferencias en el tamaño y forma de la parte superior del tórax entre los Neandertales del Levante Mediterráneo y Europa occidental, no podemos rechazar esta posibilidad de manera concluyente.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>22382084</pmid><doi>10.1016/j.jhevol.2012.01.004</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-5361-2295</orcidid><orcidid>https://orcid.org/0000-0002-7616-0073</orcidid></addata></record> |
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subjects | Analysis of Variance Animals Anthropometry Archaeology and Prehistory Biological Evolution Climate change Earth sciences Earth, ocean, space Exact sciences and technology Female Fossil man Fossils France Homo neanderthalensis Humanities and Social Sciences Humans Israel Male Marine and continental quaternary Neanderthals - anatomy & histology Paleontology Primate behaviour Regression Analysis Rib cage Sternebrae Sternum - anatomy & histology Surficial geology Thorax United States Vertebrate paleontology |
title | The mesosternum of the Regourdou 1 Neandertal revisited |
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