<?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>1405-888X</journal-id>
<journal-title><![CDATA[TIP. Revista especializada en ciencias químico-biológicas]]></journal-title>
<abbrev-journal-title><![CDATA[TIP]]></abbrev-journal-title>
<issn>1405-888X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Estudios Superiores Zaragoza]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-888X2009000100013</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Morfología y ultraestructura de los espermatozoides de dos especies del género Anolis (Sauria: Polychrotidae) en Cuba]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Gómez]]></surname>
<given-names><![CDATA[Yamilka]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sanz-Ochotorena]]></surname>
<given-names><![CDATA[Ana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de La Habana Facultad de Biología Depto. de Biología Animal y Humana]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2009</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2009</year>
</pub-date>
<volume>12</volume>
<numero>1</numero>
<fpage>13</fpage>
<lpage>19</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-888X2009000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-888X2009000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-888X2009000100013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: En el presente trabajo se describe la morfología de los espermatozoides de dos especies de lagartos cubanos, Anolis sagrei y Anolis porcatus, abordando también aspectos ultraestructurales. Para ello se colectaron tres ejemplares machos adultos en la provincia de Ciudad de La Habana, y se les extrajeron ambos testículos. Se realizaron preparaciones permanentes de cortes de túbulos seminíferos teñidos con hematoxilina-eosina y frotis de suspensiones de espermatozoides en solución Ringer. Un troceado de los testículos de ambas especies fue procesado para microscopía electrónica de transmisión. En los cortes de testículo se observaron los túbulos seminíferos redondeados u ovoides en sección transversal, en su interior las células sexuales se disponen desde la base al lumen, en diferentes grados de desarrollo. La cabeza de los espermatozoides es alargada. Al microscopio electrónico de transmisión se observa el acrosoma y el núcleo, los centríolos de la región del cuello, y la cola con pieza media, pieza principal y pieza final. El axonema, en su interior, presenta el patrón de microtúbulos de 9+2. Los resultados arrojaron que la morfología de los espermatozoides, en los caracteres analizados, no muestra diferencias entre las dos especies analizadas, aun a nivel ultraestructural.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The present paper describes the morphology and ultrastructural aspects of the sperm of two species of Cuban lizards, Anolis sagrei and Anolis porcatus. Three adult males were collected in Havana province, and both testicles were extracted. Permanent cuts of seminiferous tubules stained with hematoxiline-eosine were made; smears of sperm from suspensions in Ringer&#8217;s solution were also prepared. A cutting from the testes of both species was processed for transmission electron microscopy. Testes have seminiferous tubules which appear rounded or oval in a cross section view; the interior of the tubules contains sexual cells, in varying degrees of development, disposed from the base to the lumen. The head of the sperm is elongated. By transmission electron microscope, the acrosome and the nucleus are observed, and also the centrioles in the region of the neck, as well as the tail with its midpiece, principal piece and endpiece. The axoneme, internally, shows the 9+2 microtubule pattern. The results revealed that the morphology of sperm, in the analyzed features, shows no difference between the two species tested, even at the ultrastructural level.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Anolis]]></kwd>
<kwd lng="es"><![CDATA[espermatozoide]]></kwd>
<kwd lng="es"><![CDATA[morfología]]></kwd>
<kwd lng="es"><![CDATA[túbulos seminíferos]]></kwd>
<kwd lng="es"><![CDATA[ultraestructura]]></kwd>
<kwd lng="en"><![CDATA[Anolis]]></kwd>
<kwd lng="en"><![CDATA[sperm]]></kwd>
<kwd lng="en"><![CDATA[morphology]]></kwd>
<kwd lng="en"><![CDATA[seminiferous tubules]]></kwd>
<kwd lng="en"><![CDATA[ultrastructure]]></kwd>
</kwd-group>
</article-meta>
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