Characterization of a Bipartite Medial Cuneiform: Micro-CT and Anatomical Study

SUMMARY: A bipartite medial cuneiform is an anatomical variant consisting in a horizontal division of the bone. Previous descriptions of the joint type, obtained from archaeological material or clinical reports, are unclear. This study was conducted in a fresh-frozen left foot, which allowed studyin...

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Autores principales:	Dalmau-Pastor,Miki, Vega,Jordi, Baltasar-Sánchez,Alicia, Slimani,Lotfi, Belinha,Jorge, González-Sistal,Ángel, Manzanares,M. C
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2018
Materias:	Anatomy Dissection Foot Tarsal bones bipartite medial cuneiform
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000401372
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spelling	oai:scielo:S0717-950220180004013722019-09-16Characterization of a Bipartite Medial Cuneiform: Micro-CT and Anatomical StudyDalmau-Pastor,MikiVega,JordiBaltasar-Sánchez,AliciaSlimani,LotfiBelinha,JorgeGonzález-Sistal,ÁngelManzanares,M. C Anatomy Dissection Foot Tarsal bones bipartite medial cuneiform SUMMARY: A bipartite medial cuneiform is an anatomical variant consisting in a horizontal division of the bone. Previous descriptions of the joint type, obtained from archaeological material or clinical reports, are unclear. This study was conducted in a fresh-frozen left foot, which allowed studying the morphology of the ligaments after anatomical dissection. In addition a Micro-CT analysis was performed to elucidate the osseous structure supporting the articular surfaces. A complex ligamentous system was found between the two halves of the bipartite medial cuneiform. Two articular surfaces were observed between the two components. Hyaline cartilage was observed at the posterior surface, while fibrous tissue was found at the anterior surface. Micro-CT analysis revealed different osseous structures for each articular surface, thus proving the existence of two joint types. The finding of a bipartite medial cuneiform in a fresh-frozen specimen allowed us to perform an analysis of the soft-tissues and articular surfaces that shows the presence of hyaline cartilage and articular ligaments in the diarthrodial joint as well as the fibrous component of the synfibrosis. Micro-CT analysis further reinforces our morphological findings. Our results prove that two different joint types exist, which could help explaining the disparity of descriptions in the literature.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.36 n.4 20182018-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000401372en10.4067/S0717-95022018000401372
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Anatomy Dissection Foot Tarsal bones bipartite medial cuneiform
spellingShingle	Anatomy Dissection Foot Tarsal bones bipartite medial cuneiform Dalmau-Pastor,Miki Vega,Jordi Baltasar-Sánchez,Alicia Slimani,Lotfi Belinha,Jorge González-Sistal,Ángel Manzanares,M. C Characterization of a Bipartite Medial Cuneiform: Micro-CT and Anatomical Study
description	SUMMARY: A bipartite medial cuneiform is an anatomical variant consisting in a horizontal division of the bone. Previous descriptions of the joint type, obtained from archaeological material or clinical reports, are unclear. This study was conducted in a fresh-frozen left foot, which allowed studying the morphology of the ligaments after anatomical dissection. In addition a Micro-CT analysis was performed to elucidate the osseous structure supporting the articular surfaces. A complex ligamentous system was found between the two halves of the bipartite medial cuneiform. Two articular surfaces were observed between the two components. Hyaline cartilage was observed at the posterior surface, while fibrous tissue was found at the anterior surface. Micro-CT analysis revealed different osseous structures for each articular surface, thus proving the existence of two joint types. The finding of a bipartite medial cuneiform in a fresh-frozen specimen allowed us to perform an analysis of the soft-tissues and articular surfaces that shows the presence of hyaline cartilage and articular ligaments in the diarthrodial joint as well as the fibrous component of the synfibrosis. Micro-CT analysis further reinforces our morphological findings. Our results prove that two different joint types exist, which could help explaining the disparity of descriptions in the literature.
author	Dalmau-Pastor,Miki Vega,Jordi Baltasar-Sánchez,Alicia Slimani,Lotfi Belinha,Jorge González-Sistal,Ángel Manzanares,M. C
author_facet	Dalmau-Pastor,Miki Vega,Jordi Baltasar-Sánchez,Alicia Slimani,Lotfi Belinha,Jorge González-Sistal,Ángel Manzanares,M. C
author_sort	Dalmau-Pastor,Miki
title	Characterization of a Bipartite Medial Cuneiform: Micro-CT and Anatomical Study
title_short	Characterization of a Bipartite Medial Cuneiform: Micro-CT and Anatomical Study
title_full	Characterization of a Bipartite Medial Cuneiform: Micro-CT and Anatomical Study
title_fullStr	Characterization of a Bipartite Medial Cuneiform: Micro-CT and Anatomical Study
title_full_unstemmed	Characterization of a Bipartite Medial Cuneiform: Micro-CT and Anatomical Study
title_sort	characterization of a bipartite medial cuneiform: micro-ct and anatomical study
publisher	Sociedad Chilena de Anatomía
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000401372
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Characterization of a Bipartite Medial Cuneiform: Micro-CT and Anatomical Study

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