{"id":3347,"date":"2026-02-26T16:55:33","date_gmt":"2026-02-26T13:55:33","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/endometrio\/"},"modified":"2026-02-26T16:55:28","modified_gmt":"2026-02-26T13:55:28","slug":"endometrio","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/pt\/glossario\/endometrio\/","title":{"rendered":"Endom\u00e9trio"},"content":{"rendered":"\n<p>O endom\u00e9trio (do grego <em>endon<\/em> &#8211; dentro, <em>metra<\/em> &#8211; \u00fatero) \u00e9 a membrana mucosa interna do corpo uterino, altamente diferenciada e sens\u00edvel \u00e0s hormonas.  <\/p>\n\n<p>Este tecido tem um potencial biol\u00f3gico \u00fanico de prolifera\u00e7\u00e3o c\u00edclica, transforma\u00e7\u00e3o secretora e descama\u00e7\u00e3o completa (rejei\u00e7\u00e3o) com subsequente regenera\u00e7\u00e3o sem cicatrizes.<\/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>Etiologia e fisiopatologia<\/strong><\/h2>\n\n<p>A estrutura histol\u00f3gica do endom\u00e9trio \u00e9 um sistema complexo constitu\u00eddo por um epit\u00e9lio cil\u00edndrico de camada \u00fanica (de revestimento e glandular), um estroma rico em elementos celulares e uma rede vascular especializada. Do ponto de vista funcional e morfol\u00f3gico, distinguem-se duas camadas: <\/p>\n\n<ol class=\"wp-block-list\">\n<li><strong>Camada basal (stratum basale):<\/strong> A camada profunda, densa e fibrosa adjacente ao miom\u00e9trio. \u00c9 fornecida por art\u00e9rias curtas e direitas e tem uma alta densidade de receptores para estrog\u00e9nio, mas uma baixa densidade de receptores para progesterona. Esta camada n\u00e3o \u00e9 rejeitada durante a menstrua\u00e7\u00e3o e serve de reservat\u00f3rio cambial (crescimento) para a regenera\u00e7\u00e3o da mucosa no novo ciclo.  <\/li>\n\n\n\n<li><strong>Camada funcional (stratum functionale):<\/strong> A camada superficial que recebe sangue atrav\u00e9s de art\u00e9rias espirais sens\u00edveis \u00e0s hormonas. Na fase folicular do ciclo, a mitose celular ativa (prolifera\u00e7\u00e3o) ocorre sob a influ\u00eancia do estrog\u00e9nio. Na fase l\u00fatea, a progesterona interrompe a divis\u00e3o e desencadeia a acumula\u00e7\u00e3o de glicog\u00e9nio, l\u00edpidos e glicoprote\u00ednas (secre\u00e7\u00e3o), preparando a &#8220;janela de implanta\u00e7\u00e3o&#8221;. Na aus\u00eancia de gravidez, a regress\u00e3o do corpo l\u00fateo provoca uma queda acentuada dos n\u00edveis de ester\u00f3ides, um espasmo prolongado das art\u00e9rias espirais, uma necrose isqu\u00e9mica e a rejei\u00e7\u00e3o desta camada.   <\/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>Significado cl\u00ednico<\/strong><\/h2>\n\n<p>O endom\u00e9trio \u00e9 um tecido fundamental do sistema reprodutor. A sua recetividade (capacidade de aceitar o blastocisto) \u00e9 considerada a principal causa de insucesso da implanta\u00e7\u00e3o na FIV e de infertilidade idiop\u00e1tica. A <strong>endometrite<\/strong> cr\u00f3nica (incluindo a de etiologia tuberculosa) provoca fibrose do estroma, esclerose vascular e atrofia glandular (&#8220;endom\u00e9trio fino&#8221;). O desequil\u00edbrio das hormonas ester\u00f3ides (hiperestrogenismo absoluto ou relativo) desencadeia processos hiperpl\u00e1sicos, p\u00f3lipos e adenocarcinoma do endom\u00e9trio.   <\/p>\n","protected":false},"excerpt":{"rendered":"<p>O endom\u00e9trio (do grego <em>endon<\/em> &#8211; dentro, <em>metra<\/em> &#8211; \u00fatero) \u00e9 a membrana mucosa interna do corpo uterino, altamente diferenciada e sens\u00edvel \u00e0s hormonas. <\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-3347","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>Endom\u00e9trio: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki<\/title>\n<meta name=\"description\" content=\"O endom\u00e9trio (do grego endon - dentro, metra - \u00fatero) \u00e9 a membrana mucosa interna do corpo uterino, altamente diferenciada e sens\u00edvel \u00e0s hormonas.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wiki.voka.io\/pt\/glossario\/endometrio\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Endom\u00e9trio\" \/>\n<meta property=\"og:description\" content=\"O endom\u00e9trio (do grego endon - dentro, metra - \u00fatero) \u00e9 a membrana mucosa interna do corpo uterino, altamente diferenciada e sens\u00edvel \u00e0s hormonas.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/wiki.voka.io\/pt\/glossario\/endometrio\/\" \/>\n<meta property=\"og:site_name\" content=\"Voka Wiki\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/wiki.voka.io\/pt\/glossario\/endometrio\/\",\"url\":\"https:\/\/wiki.voka.io\/pt\/glossario\/endometrio\/\",\"name\":\"Endom\u00e9trio: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki\",\"isPartOf\":{\"@id\":\"https:\/\/wiki.voka.io\/pt\/#website\"},\"datePublished\":\"2026-02-26T13:55:33+00:00\",\"description\":\"O endom\u00e9trio (do grego endon - dentro, metra - \u00fatero) \u00e9 a membrana mucosa interna do corpo uterino, altamente diferenciada e sens\u00edvel \u00e0s hormonas.\",\"breadcrumb\":{\"@id\":\"https:\/\/wiki.voka.io\/pt\/glossario\/endometrio\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/wiki.voka.io\/pt\/glossario\/endometrio\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/wiki.voka.io\/pt\/glossario\/endometrio\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/wiki.voka.io\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Endom\u00e9trio\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/wiki.voka.io\/pt\/#website\",\"url\":\"https:\/\/wiki.voka.io\/pt\/\",\"name\":\"Voka Wiki\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/wiki.voka.io\/pt\/#organization\"},\"alternateName\":\"Anatomy & Pathology Wiki by VOKA\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/wiki.voka.io\/pt\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/wiki.voka.io\/pt\/#organization\",\"name\":\"Voka 3D Anatomy & Pathology\",\"alternateName\":\"VOKA\",\"url\":\"https:\/\/wiki.voka.io\/pt\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/wiki.voka.io\/pt\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/wiki.voka.io\/wp-content\/uploads\/2025\/02\/cropped-voka-logo-1.png\",\"contentUrl\":\"https:\/\/wiki.voka.io\/wp-content\/uploads\/2025\/02\/cropped-voka-logo-1.png\",\"width\":70,\"height\":16,\"caption\":\"Voka 3D Anatomy & Pathology\"},\"image\":{\"@id\":\"https:\/\/wiki.voka.io\/pt\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/\",\"https:\/\/www.instagram.com\/voka.io\/\",\"https:\/\/www.linkedin.com\/company\/voka-io\/\",\"https:\/\/www.youtube.com\/channel\/UCqGGuOEpr62ScH8Pjk2q5zw\/videos\",\"https:\/\/www.pinterest.com\/VokaAnatomyPro\/\",\"https:\/\/www.threads.com\/@voka.io\"],\"description\":\"VOKA.io offers 3D medical animations and custom 3D modeling services. 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