Sexual Dimorphism in the Foramen Magnum Dimensions

The purpose of this study is to assess the presence of sexual dimorphism in the foramen magnum size. We analyzed 211 human skulls from the collection of the Universidade Federal de Sao Paulo, with a record of sex and age determined using anteroposterior and transverse diameters of foramen magnum, an...

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Autores principales:	Suazo Galdames,Iván Claudio, Perez Russo,Priscilla, Zavando Matamala,Daniela Alejandra, Smith,Ricardo Luiz
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2009
Materias:	Foramen magnum Determination of sex sexual Dimorphism Anthropometries Fischer discriminant function
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100003
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spelling	oai:scielo:S0717-950220090001000032009-06-24Sexual Dimorphism in the Foramen Magnum DimensionsSuazo Galdames,Iván ClaudioPerez Russo,PriscillaZavando Matamala,Daniela AlejandraSmith,Ricardo Luiz Foramen magnum Determination of sex sexual Dimorphism Anthropometries Fischer discriminant function The purpose of this study is to assess the presence of sexual dimorphism in the foramen magnum size. We analyzed 211 human skulls from the collection of the Universidade Federal de Sao Paulo, with a record of sex and age determined using anteroposterior and transverse diameters of foramen magnum, and their differences by gender (p<0.05) were ascertained. Fischer linear discriminant function was calculated and the value for the classification of these variables was determined. All the dimensions were found to be higher, and in men's skulls, the foramen magnum size had low discriminating power and were accurately classified only in 66.5% skulls. Our results show that this quantitative indicator is of limited practical value and should be supplemented with qualitative indicators of sexual dimorphism in the occipital bone to improve the accuracy in the sex diagnosis.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.27 n.1 20092009-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100003en10.4067/S0717-95022009000100003
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Foramen magnum Determination of sex sexual Dimorphism Anthropometries Fischer discriminant function
spellingShingle	Foramen magnum Determination of sex sexual Dimorphism Anthropometries Fischer discriminant function Suazo Galdames,Iván Claudio Perez Russo,Priscilla Zavando Matamala,Daniela Alejandra Smith,Ricardo Luiz Sexual Dimorphism in the Foramen Magnum Dimensions
description	The purpose of this study is to assess the presence of sexual dimorphism in the foramen magnum size. We analyzed 211 human skulls from the collection of the Universidade Federal de Sao Paulo, with a record of sex and age determined using anteroposterior and transverse diameters of foramen magnum, and their differences by gender (p<0.05) were ascertained. Fischer linear discriminant function was calculated and the value for the classification of these variables was determined. All the dimensions were found to be higher, and in men's skulls, the foramen magnum size had low discriminating power and were accurately classified only in 66.5% skulls. Our results show that this quantitative indicator is of limited practical value and should be supplemented with qualitative indicators of sexual dimorphism in the occipital bone to improve the accuracy in the sex diagnosis.
author	Suazo Galdames,Iván Claudio Perez Russo,Priscilla Zavando Matamala,Daniela Alejandra Smith,Ricardo Luiz
author_facet	Suazo Galdames,Iván Claudio Perez Russo,Priscilla Zavando Matamala,Daniela Alejandra Smith,Ricardo Luiz
author_sort	Suazo Galdames,Iván Claudio
title	Sexual Dimorphism in the Foramen Magnum Dimensions
title_short	Sexual Dimorphism in the Foramen Magnum Dimensions
title_full	Sexual Dimorphism in the Foramen Magnum Dimensions
title_fullStr	Sexual Dimorphism in the Foramen Magnum Dimensions
title_full_unstemmed	Sexual Dimorphism in the Foramen Magnum Dimensions
title_sort	sexual dimorphism in the foramen magnum dimensions
publisher	Sociedad Chilena de Anatomía
publishDate	2009
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100003
work_keys_str_mv	AT suazogaldamesivanclaudio sexualdimorphismintheforamenmagnumdimensions AT perezrussopriscilla sexualdimorphismintheforamenmagnumdimensions AT zavandomatamaladanielaalejandra sexualdimorphismintheforamenmagnumdimensions AT smithricardoluiz sexualdimorphismintheforamenmagnumdimensions
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Sexual Dimorphism in the Foramen Magnum Dimensions

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