{"id":2868,"date":"2026-01-29T17:25:23","date_gmt":"2026-01-29T14:25:23","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/urtica\/"},"modified":"2026-01-29T17:25:29","modified_gmt":"2026-01-29T14:25:29","slug":"bolha-2","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/pt\/glossario\/bolha-2\/","title":{"rendered":"Bolha"},"content":{"rendered":"\n<p>A bolha (latim <em>urtica<\/em>) \u00e9 um elemento prim\u00e1rio sem c\u00e9lulas resultante de um edema agudo e limitado da camada papilar da derme. O elemento eleva-se acima da pele, tem uma superf\u00edcie plana, varia em forma e cor de branco porcelana a rosa.  <\/p>\n\n<p>A principal carater\u00edstica de uma bolha \u00e9 o facto de ser ef\u00e9mera (de curta dura\u00e7\u00e3o).<\/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 bolha \u00e9 o principal elemento da urtic\u00e1ria. A patog\u00e9nese est\u00e1 associada a um aumento da permeabilidade da parede vascular sob a a\u00e7\u00e3o da histamina e de outros mediadores libertados pelos mast\u00f3citos. <\/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>Significado cl\u00ednico<\/strong><\/h2>\n\n<p>A bolha dura de alguns minutos a algumas horas e desaparece sem deixar rasto. \u00c9 acompanhada por uma comich\u00e3o pronunciada e intensa (&#8220;ardor&#8221; como o das urtigas). O aparecimento de m\u00faltiplas bolhas drenantes pode ser sinal de uma rea\u00e7\u00e3o al\u00e9rgica sist\u00e9mica que requer tratamento de urg\u00eancia.  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>A bolha (latim <em>urtica<\/em>) \u00e9 um elemento prim\u00e1rio sem c\u00e9lulas resultante de um edema agudo e limitado da camada papilar da derme. O elemento eleva-se acima da pele, tem uma superf\u00edcie plana, varia em forma e cor de branco porcelana a rosa.  <\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-2868","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>Bolha: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki<\/title>\n<meta name=\"description\" content=\"A bolha (latim urtica) \u00e9 um elemento prim\u00e1rio sem c\u00e9lulas resultante de um edema agudo e limitado da camada papilar da derme. 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