{"id":3898,"date":"2026-02-26T16:53:59","date_gmt":"2026-02-26T13:53:59","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/cuello-uterino\/"},"modified":"2026-04-01T18:38:22","modified_gmt":"2026-04-01T15:38:22","slug":"cuello-uterino","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/es\/glossary\/cuello-uterino\/","title":{"rendered":"Cuello uterino"},"content":{"rendered":"\n<p>El cuello uterino (lat. <em>cervix uteri<\/em>) es el segmento inferior fibromuscular del \u00fatero de forma cil\u00edndrica o c\u00f3nica, que sobresale hacia el lumen vaginal y lo conecta con la cavidad uterina mediante un estrecho canal cervical.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x44D;&#x442;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;-&#x438;-&#x43F;&#x430;&#x442;&#x43E;&#x444;&#x438;&#x437;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;\"><strong>Etiolog\u00eda y fisiopatolog\u00eda<\/strong><\/h2>\n\n<p>El cuello uterino funciona como una v\u00e1lvula biol\u00f3gica compleja y una barrera inmunol\u00f3gica. La mucosidad del canal cervical contiene lisozima, lactoferrina e IgA secretor, protegiendo la cavidad uterina est\u00e9ril de infecciones ascendentes. Histol\u00f3gicamente, el cuello tiene dos zonas:<\/p>\n\n<ol class=\"wp-block-list\">\n<li><strong>Exoc\u00e9rvix (parte vaginal):<\/strong> est\u00e1 cubierto por un epitelio escamoso estratificado no queratinizado resistente, rico en gluc\u00f3geno.<\/li>\n\n\n\n<li><strong>Endoc\u00e9rvix (canal):<\/strong> est\u00e1 revestido por un epitelio cil\u00edndrico simple que produce moco. El sitio de uni\u00f3n de los epitelios (<strong>zona de transformaci\u00f3n<\/strong>) es un \u00e1rea de alta actividad mit\u00f3tica y el lugar de persistencia del virus del papiloma humano (VPH), donde se inicia la displasia y el c\u00e1ncer.<\/li>\n<\/ol>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x43A;&#x43B;&#x438;&#x43D;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x43E;&#x435;-&#x437;&#x43D;&#x430;&#x447;&#x435;&#x43D;&#x438;&#x435;\"><strong>Importancia cl\u00ednica<\/strong><\/h2>\n\n<p>La inflamaci\u00f3n del cuello uterino (<strong>cervicitis<\/strong>) es una patolog\u00eda muy com\u00fan. La anatom\u00eda del epitelio determina la tropismo de las infecciones: los gonococos y clamidias afectan el epitelio cil\u00edndrico del canal, mientras que los virus del herpes y las tricomonas afectan el epitelio escamoso del exoc\u00e9rvix. Durante el parto, el cuello uterino experimenta una reestructuraci\u00f3n estructural (maduraci\u00f3n y dilataci\u00f3n hasta 10 cm), permitiendo el paso del feto. La incompetencia istmo-cervical (debilidad del aparato esfincteriano) es la principal causa de abortos tard\u00edos.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El cuello uterino (lat. <em>cervix uteri<\/em>) es el segmento inferior fibromuscular del \u00fatero de forma cil\u00edndrica o c\u00f3nica, que sobresale hacia el lumen vaginal y lo conecta con la cavidad uterina mediante un estrecho canal cervical.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-3898","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cuello uterino: definici\u00f3n m\u00e9dica y descripci\u00f3n | Voka Wiki<\/title>\n<meta name=\"description\" content=\"El cuello uterino (lat. cervix uteri) es el segmento inferior fibromuscular del \u00fatero de forma cil\u00edndrica o c\u00f3nica, que 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