{"id":2889,"date":"2026-01-29T17:23:09","date_gmt":"2026-01-29T14:23:09","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/vesicule\/"},"modified":"2026-01-29T17:23:15","modified_gmt":"2026-01-29T14:23:15","slug":"vesicule","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/fr\/glossaire\/vesicule\/","title":{"rendered":"V\u00e9sicule"},"content":{"rendered":"\n

Une v\u00e9sicule (du latin vesicula<\/em> – v\u00e9sicule) est un \u00e9l\u00e9ment morphologique cavitaire primaire d’une taille maximale de 0,5 cm, s’\u00e9levant au-dessus du niveau de la peau et rempli de liquide. Le liquide (exsudat) peut \u00eatre s\u00e9reux (transparent), trouble ou m\u00e9lang\u00e9 \u00e0 du sang. <\/p>\n\n

La paroi de la v\u00e9sicule est appel\u00e9e \u00ab\u00a0enveloppe\u00a0\u00bb et la cavit\u00e9 int\u00e9rieure est appel\u00e9e \u00ab\u00a0chambre\u00a0\u00bb.<\/p>\n\n

\u00c9tiologie et physiopathologie<\/strong><\/h2>\n\n

Les v\u00e9sicules se forment \u00e0 la suite d’une d\u00e9lamination de l’\u00e9piderme ou d’un d\u00e9tachement de l’\u00e9piderme du derme. Les causes les plus courantes sont les suivantes : <\/p>\n\n

    \n
  • Infections virales :<\/strong> Herp\u00e8s simplex, varicelle, zona.<\/li>\n\n\n\n
  • R\u00e9actions allergiques :<\/strong> Ecz\u00e9ma aigu, dermatite allergique.<\/li>\n<\/ul>\n\n

    Signification clinique<\/strong><\/h2>\n\n

    Lorsque les v\u00e9sicules s’ouvrent (spontan\u00e9ment ou par grattage), il se forme des \u00e9rosions humides qui se recouvrent ensuite de cro\u00fbtes. La pr\u00e9sence de v\u00e9sicules group\u00e9es sur un fond \u00e9ryth\u00e9mateux (rougeur) est un signe classique d’infection herp\u00e9tique. <\/p>\n\n

    <\/p>\n","protected":false},"excerpt":{"rendered":"

    Une v\u00e9sicule (du latin vesicula<\/em> – v\u00e9sicule) est un \u00e9l\u00e9ment morphologique cavitaire primaire d’une taille maximale de 0,5 cm, s’\u00e9levant au-dessus du niveau de la peau et rempli de liquide. Le liquide (exsudat) peut \u00eatre s\u00e9reux (transparent), trouble ou m\u00e9lang\u00e9 \u00e0 du sang. <\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-2889","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"\nV\u00e9sicule : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"Une v\u00e9sicule (du latin vesicula - v\u00e9sicule) est un \u00e9l\u00e9ment morphologique cavitaire primaire d'une taille maximale de 0,5 cm, s'\u00e9levant au-dessus du niveau de la peau et rempli de liquide. 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