<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0120-0011</journal-id>
<journal-title><![CDATA[Revista de la Facultad de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[rev.fac.med.]]></abbrev-journal-title>
<issn>0120-0011</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-00112019000200221</article-id>
<article-id pub-id-type="doi">10.15446/revfacmed.v67n2.68112</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Variaciones anatómicas del origen de la arteria laberíntica en una muestra de encéfalos en Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Anatomical variations of the origin of the labyrinthine artery in a brains sample in Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vejarano]]></surname>
<given-names><![CDATA[Paula Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sierra]]></surname>
<given-names><![CDATA[Nicolás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lovera]]></surname>
<given-names><![CDATA[Laura Valentina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[Daniel Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[Dayana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aragón]]></surname>
<given-names><![CDATA[Natalia Jazmín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[Camila Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Prieto]]></surname>
<given-names><![CDATA[Paula Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quijano-Blanco]]></surname>
<given-names><![CDATA[Yobany]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[Camilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rizo]]></surname>
<given-names><![CDATA[Víctor Zein]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Aplicadas y Ambientales Facultad de Ciencias de la Salud Departamento de Anatomía Humana]]></institution>
<addr-line><![CDATA[Bogotá D.C]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>67</volume>
<numero>2</numero>
<fpage>221</fpage>
<lpage>224</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-00112019000200221&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-00112019000200221&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-00112019000200221&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción. La arteria laberíntica transcurre a través del meato acústico interno hasta llegar al oído interno, aportando allí su irrigación. Se han descrito dos posibles variantes anatómicas de su origen: como rama directa de la arteria basilar o como rama de la arteria cerebelosa anteroinferior.  Objetivo. Identificar la prevalencia del origen de la arteria laberíntica.  Materiales y métodos. Se realizó un estudio analítico descriptivo con métodos cuantitativos sobre el origen de la arteria laberíntica en una muestra de 29 encéfalos obtenidos por muestreo a conveniencia.  Resultados. Se determinó que la arteria laberíntica se originó de la arteria basilar en 22 (75.9%) encéfalos; en los 7 (24.1%) restantes esta surgía como rama de la arteria cerebelosa anteroinferior.  Conclusión. El origen de la arteria laberíntica en la muestra seleccionada tiene una mayor prevalencia en la arteria basilar respecto a la arteria cerebelosa anteroinferior, hallazgo que se asemeja a algunas investigaciones contrastadas con este estudio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: The labyrinthine artery runs through the internal auditory meatus until the inner ear, providing irrigation. Two possible anatomical variants of its origin have been described: as a direct branch of the basilar artery or as a branch of the anterior inferior cerebellar artery.  Objective: To identify the prevalence of labyrinthine artery origin.  Materials and methods: A descriptive analytical study on the origin of the labyrinthine artery was carried out using quantitative methods in a sample of 29 brains obtained by convenience sampling.  Results: It was established that the labyrinthine artery originated from the basilar artery in 22 (75.9%) brains; in the remaining 7 (24.1%), it emerged as a branch of the anterior inferior cerebellar artery.  Conclusion: The origin of the labyrinthine artery in the selected sample has a higher prevalence in the basilar artery than in the anterior inferior cerebellar artery, finding that resembles some investigations contrasted with this study.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Variación anatómica]]></kwd>
<kwd lng="es"><![CDATA[Arteria basilar]]></kwd>
<kwd lng="es"><![CDATA[Oído interno]]></kwd>
<kwd lng="es"><![CDATA[Encéfalo]]></kwd>
<kwd lng="es"><![CDATA[Prevalencia (DeCS)]]></kwd>
<kwd lng="en"><![CDATA[Anatomic Variation]]></kwd>
<kwd lng="en"><![CDATA[Basilar Artery]]></kwd>
<kwd lng="en"><![CDATA[Ear, Inner]]></kwd>
<kwd lng="en"><![CDATA[Brain]]></kwd>
<kwd lng="en"><![CDATA[Prevalence (DeCS)]]></kwd>
</kwd-group>
</article-meta>
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