{"id":1571,"date":"2017-11-29T15:48:17","date_gmt":"2017-11-29T14:48:17","guid":{"rendered":"https:\/\/www.fluimucil-erkaeltungshusten.ch\/pour-en-savoir-plus\/approfondissements\/muco-nasale-come-fatto-e-come-funziona\/"},"modified":"2017-12-16T16:16:32","modified_gmt":"2017-12-16T15:16:32","slug":"mucus-nasal-quelle-est-sa-composition-et-quelle-est-sa-fonction","status":"publish","type":"page","link":"https:\/\/www.fluimucil-erkaeltungshusten.ch\/fr\/pour-en-savoir-plus\/approfondissements\/mucus-nasal-quelle-est-sa-composition-et-quelle-est-sa-fonction\/","title":{"rendered":"Mucus nasal : quelle est sa composition et quelle est sa fonction"},"content":{"rendered":"
[mk_page_section vertical_align=\u00a0\u00bbcenter\u00a0\u00bb bg_image=\u00a0\u00bbhttps:\/\/www.fluimucil-erkaeltungshusten.ch\/wp-content\/uploads\/2017\/11\/teaser_approfondimenti.jpg\u00a0\u00bb bg_position=\u00a0\u00bbcenter bottom\u00a0\u00bb bg_repeat=\u00a0\u00bbno-repeat\u00a0\u00bb min_height=\u00a0\u00bb575″ padding_top=\u00a0\u00bb120″ padding_bottom=\u00a0\u00bb0″ sidebar=\u00a0\u00bbsidebar-1″][vc_column][\/vc_column][\/mk_page_section][vc_row css=\u00a0\u00bb.vc_custom_1511795486415{padding-top: 20px !important;padding-left: 10px !important;}\u00a0\u00bb][vc_column width=\u00a0\u00bb2\/3″][mk_fancy_title tag_name=\u00a0\u00bbspan\u00a0\u00bb color=\u00a0\u00bb#005982″ size=\u00a0\u00bb22″ font_weight=\u00a0\u00bbbold\u00a0\u00bb letter_spacing=\u00a0\u00bb1″ font_family=\u00a0\u00bbnone\u00a0\u00bb]APPROFONDISSEMENTS[\/mk_fancy_title][mk_fancy_title tag_name=\u00a0\u00bbh1″ color=\u00a0\u00bb#005982″ size=\u00a0\u00bb20″ line_height=\u00a0\u00bb125″ font_weight=\u00a0\u00bbbold\u00a0\u00bb font_family=\u00a0\u00bbnone\u00a0\u00bb]Mucus nasal : quelle est sa composition et quelle est sa fonction[\/mk_fancy_title][vc_single_image source=\u00a0\u00bbfeatured_image\u00a0\u00bb img_size=\u00a0\u00bbfull\u00a0\u00bb][vc_column_text css=\u00a0\u00bb.vc_custom_1513085740269{margin-bottom: 0px !important;}\u00a0\u00bb]Bien que le\u00a0mucus<\/a>\u00a0nasal puisse nous para\u00eetre r\u00e9pugnant, celui qui est s\u00e9cr\u00e9t\u00e9 par les voies respiratoires est un formidable m\u00e9canisme de d\u00e9fense de l’appareil respiratoire<\/a>, sur lequel il convient de nous arr\u00eater pour en savoir plus.<\/p>\n

La composition du\u00a0mucus<\/a>\u00a0nasal est relativement simple : il est constitu\u00e9 d’un gel visqueux \u00e0 base d’eau, de glycoprot\u00e9ines, de sels et de lipides ; lorsque nous sommes malades, on trouve \u00e0 son int\u00e9rieur des immunoglobulines (anticorps) et des enzymes antiseptiques qui peuvent former une premi\u00e8re barri\u00e8re contre les infections.<\/p>\n

Les glycoprot\u00e9ines contenues dans les\u00a0mucus<\/a>\u00a0sont des prot\u00e9ines complexes, qui comprennent, \u00e0 l\u2019int\u00e9rieur de leur structure, des hydrates de carbone ; la composition des glycoprot\u00e9ines permet la formation de liaisons mol\u00e9culaires tr\u00e8s fortes, capables de pi\u00e9ger les particules ; ceci explique pourquoi le liquide est particuli\u00e8rement visqueux.<\/p>\n

Le\u00a0mucus<\/a>\u00a0est s\u00e9cr\u00e9t\u00e9 par des glandes sp\u00e9cifiques, appel\u00e9es glandes mucipares qui sont positionn\u00e9es le long de la cavit\u00e9 nasale et de la trach\u00e9e. Sa fonction principale est double : d\u2019une part, il sert \u00e0 recouvrir et maintenir humides et lubrifi\u00e9es les membranes \u00e9pith\u00e9liales sensibles qui se trouvent dans les voies respiratoires ; d’autre part, la viscosit\u00e9 du\u00a0mucus\u00a0<\/a>permet de bloquer et de capturer les corps \u00e9trangers pr\u00e9sents dans l’air inspir\u00e9, \u00e9vitant que ceux-ci n’entrent dans les poumons les rejetant gr\u00e2ce \u00e0 la\u00a0clairance mucociliaire<\/a>, la\u00a0toux<\/a>\u00a0et les\u00a0\u00e9ternuements<\/a>.<\/p>\n

Lorsqu’il fait froid ou en cas d’irritation, le cycle d’\u00e9limination du\u00a0mucus<\/a>\u00a0se bloque et les bact\u00e9ries ou les virus pr\u00e9sents peuvent provoquer des infections ; suite \u00e0 l’attaque bact\u00e9rienne ou virale ou \u00e0 la r\u00e9ponse inflammatoire r\u00e9sultante, le\u00a0mucus<\/a>\u00a0touch\u00e9 se transforme en\u00a0catarrhe<\/a>\u00a0et s’accumule dans les voies respiratoires et les obstrue. Les sympt\u00f4mes, tels que le \u00ab nez bouch\u00e9 \u00bb ou la\u00a0toux grasse<\/a>\u00a0qui n\u00e9cessitent une fluidification du\u00a0catarrhe<\/a>\u00a0pour faciliter leur expectoration, se pr\u00e9sentant \u00e0 ce moment-l\u00e0.[\/vc_column_text][mk_button dimension=\u00a0\u00bbflat\u00a0\u00bb corner_style=\u00a0\u00bbfull_rounded\u00a0\u00bb size=\u00a0\u00bbmedium\u00a0\u00bb url=\u00a0\u00bb\/fr\/pour-en-savoir-plus\/approfondissements\/\u00a0\u00bb margin_top=\u00a0\u00bb30″ margin_right=\u00a0\u00bb0″ bg_color=\u00a0\u00bb#00768e\u00a0\u00bb btn_hover_bg=\u00a0\u00bbrgba(0,118,142,0.75)\u00a0\u00bb]Retour[\/mk_button][\/vc_column][vc_column width=\u00a0\u00bb1\/12″][\/vc_column][vc_column width=\u00a0\u00bb1\/4″][vc_wp_custommenu nav_menu=\u00a0\u00bb14″][mk_icon_box icon=\u00a0\u00bbmk-moon-temperature\u00a0\u00bb title=\u00a0\u00bbSYMPT\u00d4MES ET TROUBLES\u00a0\u00bb text_size=\u00a0\u00bb13″ read_more_txt=\u00a0\u00bbAllez \u00e0 la section\u00a0\u00bb read_more_url=\u00a0\u00bb\/fr\/Symptomes-et-Troubles\/Toux-grasse\u00a0\u00bb style=\u00a0\u00bbboxed\u00a0\u00bb icon_location=\u00a0\u00bbtop\u00a0\u00bb icon_color=\u00a0\u00bb#075985″ icon_circle_color=\u00a0\u00bb\u00a0\u00bb title_color=\u00a0\u00bb#075985″ txt_color=\u00a0\u00bb#00768e\u00a0\u00bb el_class=\u00a0\u00bbside-icon-box\u00a0\u00bb]Plus d\u2019informations sur les maux saisonniers.[\/mk_icon_box][\/vc_column][\/vc_row]\n<\/div>","protected":false},"excerpt":{"rendered":"

Bien que le mucus nasal puisse nous para\u00eetre r\u00e9pugnant, celui qui est s\u00e9cr\u00e9t\u00e9 par…<\/p>\n","protected":false},"author":2,"featured_media":1018,"parent":1559,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-1571","page","type-page","status-publish","has-post-thumbnail","hentry","category-approfondimenti-fr"],"yoast_head":"\nMucus nasal : quelle est sa composition et quelle est sa fonction - Approfondissements - Fluimucil<\/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:\/\/www.fluimucil-erkaeltungshusten.ch\/it\/per-saperne-di-piu\/approfondimenti\/muco-nasale-come-fatto-e-come-funziona\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mucus nasal : quelle est sa composition et quelle est sa fonction - 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