{"id":1824,"date":"2025-11-13T14:45:56","date_gmt":"2025-11-13T11:45:56","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/tecido-linfoide\/"},"modified":"2025-11-13T14:45:54","modified_gmt":"2025-11-13T11:45:54","slug":"tecido-linfoide","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/pt\/glossario\/tecido-linfoide\/","title":{"rendered":"Tecido linf\u00f3ide"},"content":{"rendered":"\n<p>O tecido linf\u00f3ide \u00e9 um tipo de tecido conjuntivo que cont\u00e9m um grande n\u00famero de linf\u00f3citos e outras c\u00e9lulas imunit\u00e1rias. \u00c9 a base estrutural e funcional dos \u00f3rg\u00e3os do sistema imunit\u00e1rio.<\/p>\n\n<p>A principal fun\u00e7\u00e3o deste tecido \u00e9 reconhecer e destruir agentes estranhos (bact\u00e9rias, v\u00edrus, c\u00e9lulas anormais) e formar a mem\u00f3ria imunol\u00f3gica. Est\u00e1 estrategicamente localizado por todo o corpo, particularmente em locais onde os agentes patog\u00e9nicos t\u00eam maior probabilidade de penetrar.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x43A;&#x43B;&#x430;&#x441;&#x441;&#x438;&#x444;&#x438;&#x43A;&#x430;&#x446;&#x438;&#x44F;-&#x438;-&#x444;&#x443;&#x43D;&#x43A;&#x446;&#x438;&#x438;\"><strong>Classifica\u00e7\u00e3o e fun\u00e7\u00f5es<\/strong><\/h2>\n\n<p>Todos os \u00f3rg\u00e3os linf\u00f3ides s\u00e3o divididos em dois grupos:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00d3rg\u00e3os centrais (prim\u00e1rios).<\/strong> Estes s\u00e3o os locais onde os linf\u00f3citos s\u00e3o formados e &#8220;treinados&#8221;. Incluem a medula \u00f3ssea vermelha e o timo (gl\u00e2ndula timo).<\/li>\n\n\n\n<li><strong>\u00d3rg\u00e3os perif\u00e9ricos (secund\u00e1rios).<\/strong> Locais onde os linf\u00f3citos maduros encontram os antig\u00e9nios e ativam a resposta imunit\u00e1ria. S\u00e3o os g\u00e2nglios linf\u00e1ticos, ba\u00e7o, am\u00edgdalas e o tecido linf\u00f3ide das mucosas (MALT).<\/li>\n<\/ul>\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>O estado do tecido linf\u00f3ide mostra diretamente a atividade do sistema imunit\u00e1rio. O seu aumento reativo (hiperplasia), por exemplo, aumento dos g\u00e2nglios linf\u00e1ticos, \u00e9 um sinal t\u00edpico de um processo infeccioso ou inflamat\u00f3rio.<\/p>\n\n<p>Os tumores malignos com origem no tecido linf\u00f3ide s\u00e3o denominados linfomas. O seu diagn\u00f3stico e classifica\u00e7\u00e3o baseiam-se no exame histol\u00f3gico da bi\u00f3psia do \u00f3rg\u00e3o linf\u00f3ide.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O tecido linf\u00f3ide \u00e9 um tipo de tecido conjuntivo que cont\u00e9m um grande n\u00famero de linf\u00f3citos e outras c\u00e9lulas imunit\u00e1rias. \u00c9 a base estrutural e funcional dos \u00f3rg\u00e3os do sistema imunit\u00e1rio.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-1824","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>Tecido linf\u00f3ide: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki<\/title>\n<meta name=\"description\" content=\"O tecido linf\u00f3ide \u00e9 um tipo de tecido conjuntivo que cont\u00e9m um grande n\u00famero de linf\u00f3citos e 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