{"id":2670,"date":"2026-01-29T17:47:02","date_gmt":"2026-01-29T14:47:02","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/orofaringe\/"},"modified":"2026-01-29T17:47:06","modified_gmt":"2026-01-29T14:47:06","slug":"orofaringe","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/pt\/glossario\/orofaringe\/","title":{"rendered":"Orofaringe"},"content":{"rendered":"\n<p>A orofaringe (lat. <em>pars oralis pharyngis<\/em>) \u00e9 a por\u00e7\u00e3o intermedi\u00e1ria da faringe, localizada atr\u00e1s da cavidade oral. \u00c9 delimitada superiormente pelo palato mole, que a separa da nasofaringe, e inferiormente estende-se at\u00e9 a margem superior da epiglote, onde se transforma na laringofaringe.<\/p>\n\n<p>Uma caracter\u00edstica fundamental da orofaringe \u00e9 que serve como ponto de intersec\u00e7\u00e3o dos tratos respirat\u00f3rio e digestivo. Tanto o ar inalado, direcionado para a laringe, como o bolo alimentar, que se desloca da cavidade oral para o es\u00f3fago, passam por ela.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x430;&#x43D;&#x430;&#x442;&#x43E;&#x43C;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x43E;&#x435;-&#x441;&#x442;&#x440;&#x43E;&#x435;&#x43D;&#x438;&#x435;\"><strong>Estrutura anat\u00f3mica<\/strong><\/h2>\n\n<p>Anteriormente, a faringe comunica-se com a cavidade oral atrav\u00e9s do istmo das fauces, que \u00e9 delimitado pelos arcos palatofar\u00edngeos. As paredes laterais da orofaringe s\u00e3o formadas pelos arcos palatofar\u00edngeos e pelas tonsilas palatinas, os maiores ac\u00famulos de tecido linf\u00f3ide na faringe.<\/p>\n\n<p>A orofaringe inclui tamb\u00e9m a raiz da l\u00edngua com a tonsila lingual localizada sobre esta, o palato mole com a \u00favula e a parede posterior da faringe. Juntamente com as tonsilas far\u00edngeas e tub\u00e1rias, as estruturas da orofaringe formam o anel linf\u00e1tico de Waldeyer, que desempenha uma importante fun\u00e7\u00e3o imunol\u00f3gica. A mucosa da orofaringe \u00e9 revestida por um epitelio estratificado pavimentoso n\u00e3o queratinizado resistente aos efeitos mec\u00e2nicos de alimentos.<\/p>\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>Import\u00e2ncia cl\u00ednica<\/strong><\/h2>\n\n<p>A orofaringe \u00e9 o local de ocorr\u00eancia de muitas doen\u00e7as inflamat\u00f3rias e oncol\u00f3gicas. O seu exame (faringoscopia) \u00e9 uma parte obrigat\u00f3ria do rastreio de rotina realizado pelo m\u00e9dico de cl\u00ednica geral e pelo otorrinolaringologista.<\/p>\n\n<p><strong>Principais patologias da orofaringe:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Faringite aguda:<\/strong> Inflama\u00e7\u00e3o da mucosa, geralmente de etiologia viral.<\/li>\n\n\n\n<li><strong>Amigdalite aguda (anginas):<\/strong> Inflama\u00e7\u00e3o aguda das am\u00edgdalas, causada geralmente por uma infec\u00e7\u00e3o bacteriana (na maioria das vezes, estreptococo \u03b2-hemol\u00edtico do grupo A).<\/li>\n\n\n\n<li><strong>Amigdalite cr\u00f3nica:<\/strong> Inflama\u00e7\u00e3o cr\u00f3nica persistente das am\u00edgdalas, frequentemente com forma\u00e7\u00e3o de tamp\u00f5es caseosos.<\/li>\n\n\n\n<li><strong>Abscesso peritonsilar:<\/strong> Ac\u00famulo de pus em tecidos localizados ao redor das am\u00edgdalas. \u00c9 uma complica\u00e7\u00e3o grave da amigdalite.<\/li>\n\n\n\n<li><strong>Neoplasias:<\/strong> \nO tumor maligno mais frequente \u00e9 o carcinoma espinocelular, cujo desenvolvimento est\u00e1 intimamente associado ao tabagismo, ao consumo de \u00e1lcool e \u00e0 infec\u00e7\u00e3o pelo v\u00edrus do papiloma humano (HPV).<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x434;&#x438;&#x444;&#x444;&#x435;&#x440;&#x435;&#x43D;&#x446;&#x438;&#x430;&#x43B;&#x44C;&#x43D;&#x43E;-&#x434;&#x438;&#x430;&#x433;&#x43D;&#x43E;&#x441;&#x442;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x438;&#x435;-&#x430;&#x441;&#x43F;&#x435;&#x43A;&#x442;&#x44B;\"><strong>Aspectos de diagn\u00f3stico diferencial<\/strong><\/h2>\n\n<p>A dor de garganta \u00e9 o principal sintoma das doen\u00e7as orofar\u00edngeas. \u00c9 importante distinguir a faringite viral da amigdalite bacteriana, pois esta \u00faltima requer a prescri\u00e7\u00e3o de antibi\u00f3ticos para prevenir complica\u00e7\u00f5es sist\u00e9micas (febre reum\u00e1tica, glomerulonefrite). As escalas cl\u00ednicas, como a escala de McIsaac, ajudam a avaliar a hip\u00f3tese de infec\u00e7\u00e3o estreptoc\u00f3cica. A dor aguda unilateral, assimetria da garganta e dificuldade em abrir a boca (trismo) s\u00e3o caracter\u00edsticas de um abscesso peritonsilar, que requer uma interven\u00e7\u00e3o cir\u00fargica imediata. Qualquer les\u00e3o ulcerosa de longa dura\u00e7\u00e3o ou espessamento na orofaringe em pacientes adultos requer uma bi\u00f3psia obrigat\u00f3ria para excluir um processo oncol\u00f3gico.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A orofaringe (lat. pars oralis pharyngis) \u00e9 a por\u00e7\u00e3o intermedi\u00e1ria da faringe, localizada atr\u00e1s da cavidade oral. \u00c9 delimitada superiormente pelo palato mole, que a separa da nasofaringe, e inferiormente estende-se at\u00e9 a margem superior da epiglote, onde se transforma na laringofaringe.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-2670","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>Orofaringe: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki<\/title>\n<meta name=\"description\" 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