{"id":327,"date":"2024-11-05T15:38:45","date_gmt":"2024-11-05T14:38:45","guid":{"rendered":"https:\/\/mruizsvt.fr\/?page_id=327"},"modified":"2024-11-05T15:38:45","modified_gmt":"2024-11-05T14:38:45","slug":"2-5-les-immunodeficiences","status":"publish","type":"page","link":"https:\/\/mruizsvt.fr\/index.php\/3-eme\/chapitre-1-immunologie\/2-5-les-immunodeficiences\/","title":{"rendered":"2.5 Les immunod\u00e9ficiences"},"content":{"rendered":"\n<p class=\"has-accent-4-color has-text-color has-link-color wp-elements-fc8344b50a6835f118ca412ad22215ef\">Comment expliquer que certains individus sont moins r\u00e9sistants face \u00e0 certaines maladies infectieuses&nbsp;?<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-text-align-center\"><strong>Exercice classe<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\"><strong>Exercice page 395<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\">+<\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/mruizsvt.fr\/wp-content\/uploads\/2024\/11\/Activite-13-VIH.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Contenu embarqu\u00e9 Activit\u00e9 13 VIH.\"><\/object><a id=\"wp-block-file--media-562da3d5-7a86-4dd4-81cd-b537cc66a6ba\" href=\"https:\/\/mruizsvt.fr\/wp-content\/uploads\/2024\/11\/Activite-13-VIH.pdf\">Activit\u00e9 13 VIH<\/a><a href=\"https:\/\/mruizsvt.fr\/wp-content\/uploads\/2024\/11\/Activite-13-VIH.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-562da3d5-7a86-4dd4-81cd-b537cc66a6ba\">T\u00e9l\u00e9charger<\/a><\/div>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-text-align-center\">Correction &#8211; Bilan<\/p>\n<\/blockquote>\n\n\n\n<p><strong>Exercice page 395<\/strong><\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-5bc2c02c5a16c61efd09c2d30b7cf098\">Bilan&nbsp;: Les lymphocytes T (tueur) sont capables d&rsquo;\u00e9liminer les cellules infect\u00e9es par un virus. Ils se collent \u00e0 la cellule parasit\u00e9e et la d\u00e9truisent en lib\u00e9rant des substances chimiques&nbsp;; on appelle ce ph\u00e9nom\u00e8ne, le baiser de la mort.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Exercice VIH<\/strong><\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-bb756ec32c87e2ba9b84425479c744ab\">La pr\u00e9sence d&rsquo;anticorps dans le sang peut \u00eatre d\u00e9tect\u00e9e par des tests. Une personne est dite s\u00e9ropositive vis \u00e0 vis de certains microbes lorsque son sang contient des anticorps sp\u00e9cifiques de ces microbes.<\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-1ee908d3a1acc0301bc53fe92f042605\">Le virus du SIDA parasite certains lymphocytes dans lesquels il se multiplie, entra\u00eenant leur destruction. Quand ces lymphocytes deviennent trop peu nombreux, les d\u00e9fenses immunitaires sont inefficaces et des maladies opportunistes se d\u00e9veloppent.<\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-cdcc9c730b9aeb60d718ba92a1b7899b\">Le sida est une immunod\u00e9ficience acquise car il correspond \u00e0 une d\u00e9ficience du syst\u00e8me immunitaire non apparu \u00e0 la naissance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Comment expliquer que certains individus sont moins r\u00e9sistants face \u00e0 certaines maladies infectieuses&nbsp;? Correction &#8211; Bilan Exercice page 395 Bilan&nbsp;: Les lymphocytes T (tueur) sont capables d&rsquo;\u00e9liminer les cellules infect\u00e9es par un virus. Ils se collent \u00e0 la cellule parasit\u00e9e et la d\u00e9truisent en lib\u00e9rant des substances chimiques&nbsp;; on appelle ce ph\u00e9nom\u00e8ne, le baiser de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":58,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-327","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/327","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/comments?post=327"}],"version-history":[{"count":1,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/327\/revisions"}],"predecessor-version":[{"id":330,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/327\/revisions\/330"}],"up":[{"embeddable":true,"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/pages\/58"}],"wp:attachment":[{"href":"https:\/\/mruizsvt.fr\/index.php\/wp-json\/wp\/v2\/media?parent=327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}