{"id":1830,"date":"2023-09-26T18:16:30","date_gmt":"2023-09-26T16:16:30","guid":{"rendered":"https:\/\/svt-dalaine.fr\/svt\/?page_id=1830"},"modified":"2025-08-22T16:58:50","modified_gmt":"2025-08-22T14:58:50","slug":"sv-c-1-la-cellule-au-sein-de-lorganisme","status":"publish","type":"page","link":"https:\/\/svt-dalaine.fr\/svt\/sv-c-1-la-cellule-au-sein-de-lorganisme\/","title":{"rendered":"SV-C-1 La cellule au sein de l&#8217;organisme"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1830\" class=\"elementor elementor-1830\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2ecc48f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2ecc48f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-99b95ad\" data-id=\"99b95ad\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-be76db2 elementor-widget elementor-widget-image\" data-id=\"be76db2\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"640\" height=\"453\" src=\"https:\/\/svt-dalaine.fr\/svt\/wp-content\/uploads\/2023\/09\/Capture-decran-2023-09-26-182800-1024x725.png\" class=\"attachment-large size-large wp-image-1841\" alt=\"CT trach\u00e9e rat HES\" srcset=\"https:\/\/svt-dalaine.fr\/svt\/wp-content\/uploads\/2023\/09\/Capture-decran-2023-09-26-182800-1024x725.png 1024w, https:\/\/svt-dalaine.fr\/svt\/wp-content\/uploads\/2023\/09\/Capture-decran-2023-09-26-182800-300x212.png 300w, https:\/\/svt-dalaine.fr\/svt\/wp-content\/uploads\/2023\/09\/Capture-decran-2023-09-26-182800-768x544.png 768w, https:\/\/svt-dalaine.fr\/svt\/wp-content\/uploads\/2023\/09\/Capture-decran-2023-09-26-182800-360x255.png 360w, https:\/\/svt-dalaine.fr\/svt\/wp-content\/uploads\/2023\/09\/Capture-decran-2023-09-26-182800.png 1103w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-adf9526 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"adf9526\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-645e812\" data-id=\"645e812\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dd2044f elementor-widget elementor-widget-text-editor\" data-id=\"dd2044f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Extrait du B.O.<\/p><p>L&#8217;\u00e9tat pluricellulaire peut \u00eatre d\u00e9crit \u00e0 diff\u00e9rentes \u00e9chelles : tissu, organe, appareil et individu.<\/p><p>Diff\u00e9rentes techniques de microscopie (optique, \u00e0 \u00e9pifluorescence et \u00e9lectronique -MEB et MET-) permettent d\u2019\u00e9tudier l\u2019organisation des cellules et des tissus.<\/p><p>Les jonctions et les interactions cellule-matrice assurent la coh\u00e9sion et participent \u00e0 la communication entre cellules animales.<\/p><p>Pour les Angiospermes, ces fonctions sont assur\u00e9es par la paroi et les plasmodesmes.<\/p><p>Les matrices extracellulaires pr\u00e9sentent une structure en r\u00e9seau dont l\u2019organisation et la composition varient en fonction des organismes et des tissus.<\/p><p>Les matrices extracellulaires peuvent \u00eatre rigidifi\u00e9es notamment par une impr\u00e9gnation de lignine ou de substances min\u00e9rales.<\/p><p>Certaines cellules d&#8217;un organisme pluricellulaire eucaryote interagissent (\u00e9changes de mati\u00e8re et d\u2019information) avec d&#8217;autres organismes.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c6b341b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c6b341b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d6d2f59\" data-id=\"d6d2f59\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e9712ae elementor-widget elementor-widget-shortcode\" data-id=\"e9712ae\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><div style=\"width: 100%;\"><div style=\"position: relative; padding-bottom: 56.25%; padding-top: 0; height: 0;\"><iframe title=\"Les tissus_vegetaux_S_Dalaine\" frameborder=\"0\" width=\"1200\" height=\"675\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" src=\"https:\/\/view.genial.ly\/648ac04fec44cb0019d0a3aa\" type=\"text\/html\" allowscriptaccess=\"always\" allowfullscreen=\"true\" scrolling=\"yes\" allownetworking=\"all\"><\/iframe> <\/div> <\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-eb91721 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"eb91721\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bf592fa\" data-id=\"bf592fa\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-65f4ae6 elementor-widget elementor-widget-shortcode\" data-id=\"65f4ae6\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><div style=\"width: 100%;\"><div style=\"position: relative; padding-bottom: 56.25%; padding-top: 0; height: 0;\"><iframe title=\"Les tissus_animaux_C_Mallet\" frameborder=\"0\" width=\"1200\" height=\"675\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" src=\"https:\/\/view.genial.ly\/64faf1d580fd15001086eb6f\" type=\"text\/html\" allowscriptaccess=\"always\" allowfullscreen=\"true\" scrolling=\"yes\" allownetworking=\"all\"><\/iframe> <\/div> <\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Extrait du B.O. L&#8217;\u00e9tat pluricellulaire peut \u00eatre d\u00e9crit \u00e0 diff\u00e9rentes \u00e9chelles : tissu, organe, appareil et individu. Diff\u00e9rentes techniques de microscopie (optique, \u00e0 \u00e9pifluorescence et \u00e9lectronique -MEB et MET-) permettent d\u2019\u00e9tudier l\u2019organisation des cellules et des tissus. Les jonctions et&hellip;&nbsp;<a href=\"https:\/\/svt-dalaine.fr\/svt\/sv-c-1-la-cellule-au-sein-de-lorganisme\/\" class=\"more-link\">Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[74,82],"tags":[],"class_list":["post-1830","page","type-page","status-publish","hentry","category-bcpst1-sv","category-sv-c"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SV-C-1 La cellule au sein de l&#039;organisme - Bienvenue sur le site de Sciences de la Vie et de la Terre<\/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:\/\/svt-dalaine.fr\/svt\/sv-c-1-la-cellule-au-sein-de-lorganisme\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SV-C-1 La cellule au sein de l&#039;organisme - Bienvenue sur le site de Sciences de la Vie et de la Terre\" \/>\n<meta property=\"og:description\" content=\"Extrait du B.O. L&#8217;\u00e9tat pluricellulaire peut \u00eatre d\u00e9crit \u00e0 diff\u00e9rentes \u00e9chelles : tissu, organe, appareil et individu. Diff\u00e9rentes techniques de microscopie (optique, \u00e0 \u00e9pifluorescence et \u00e9lectronique -MEB et MET-) permettent d\u2019\u00e9tudier l\u2019organisation des cellules et des tissus. 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