{"id":746,"date":"2026-03-12T17:26:26","date_gmt":"2026-03-12T16:26:26","guid":{"rendered":"https:\/\/biotechlerncenter.iph-multisite.berta-bewegt.ch\/?page_id=746"},"modified":"2026-03-13T17:26:51","modified_gmt":"2026-03-13T16:26:51","slug":"2-letrange-multiplication-des-etoiles-de-mer","status":"publish","type":"page","link":"https:\/\/biotechlerncenter.interpharma.ch\/fr\/sujets\/cloner\/2-letrange-multiplication-des-etoiles-de-mer\/","title":{"rendered":"2. L&rsquo;\u00e9trange multiplication des \u00e9toiles de mer"},"content":{"rendered":"\n<p>Une forme un peu moins connue du clonage est la r\u00e9g\u00e9n\u00e9ration, pratiqu\u00e9e par exemple par certaines sortes d&rsquo;\u00e9toiles de mer. Lorsque l&rsquo;on coupe un bras \u00e0 une \u00e9toile de mer, de nouvelles \u00e9toiles de mer vont se former \u00e0 partir des deux parties du corps. On assiste, chez le l\u00e9zard, \u00e0 la m\u00eame capacit\u00e9 mais de fa\u00e7on att\u00e9nu\u00e9e: si, par exemple, l&rsquo;on arrache la queue d&rsquo;un l\u00e9zard en fuite, il va s&rsquo;en former une nouvelle. Toutefois, il ne se formera pas de nouveau l\u00e9zard \u00e0 partir de la queue arrach\u00e9e. Plus les organismes sont sup\u00e9rieurs, plus petite sera leur capacit\u00e9 de r\u00e9g\u00e9n\u00e9ration. Chez les oiseaux et les mammif\u00e8res, elle est limit\u00e9e \u00e0 la cicatrisation d&rsquo;une plaie et \u00e0 la gu\u00e9rison des fractures.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/biotechlerncenter.interpharma.ch\/wp-content\/uploads\/sites\/4\/2020\/01\/istock_seestern_900.jpg\" alt=\"\" class=\"wp-image-3679\"\/><figcaption>Cloner pour gu\u00e9rir : la r\u00e9g\u00e9n\u00e9ration est une forme moins connue du clonage.<br>\u00a9 istockphoto<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Une forme un peu moins connue du clonage est la r\u00e9g\u00e9n\u00e9ration, pratiqu\u00e9e par exemple par certaines sortes d&rsquo;\u00e9toiles de mer. Lorsque l&rsquo;on coupe un bras \u00e0 une \u00e9toile de mer, de nouvelles \u00e9toiles de mer vont se former \u00e0 partir des deux parties du corps. On assiste, chez le l\u00e9zard, \u00e0 la m\u00eame capacit\u00e9 mais [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":782,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"page-templates\/unterthema.php","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-746","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>2. L&#039;\u00e9trange multiplication des \u00e9toiles de mer - biotechlerncenter<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/biotechlerncenter.interpharma.ch\/fr\/sujets\/cloner\/2-letrange-multiplication-des-etoiles-de-mer\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2. L&#039;\u00e9trange multiplication des \u00e9toiles de mer\" \/>\n<meta property=\"og:description\" content=\"Une forme un peu moins connue du clonage est la r\u00e9g\u00e9n\u00e9ration, pratiqu\u00e9e par exemple par certaines sortes d&rsquo;\u00e9toiles de mer. Lorsque l&rsquo;on coupe un bras \u00e0 une \u00e9toile de mer, de nouvelles \u00e9toiles de mer vont se former \u00e0 partir des deux parties du corps. On assiste, chez le l\u00e9zard, \u00e0 la m\u00eame capacit\u00e9 mais [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/biotechlerncenter.interpharma.ch\/fr\/sujets\/cloner\/2-letrange-multiplication-des-etoiles-de-mer\/\" \/>\n<meta property=\"og:site_name\" content=\"biotechlerncenter\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-13T16:26:51+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/biotechlerncenter.interpharma.ch\/wp-content\/uploads\/sites\/4\/2020\/01\/istock_seestern_900.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/biotechlerncenter.interpharma.ch\/fr\/sujets\/cloner\/2-letrange-multiplication-des-etoiles-de-mer\/\",\"url\":\"https:\/\/biotechlerncenter.interpharma.ch\/fr\/sujets\/cloner\/2-letrange-multiplication-des-etoiles-de-mer\/\",\"name\":\"2. 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