{"id":50343,"date":"2018-05-16T09:42:14","date_gmt":"2018-05-16T09:42:14","guid":{"rendered":"https:\/\/www.humanitas.net\/?post_type=wiki&#038;p=50343"},"modified":"2018-05-16T09:43:30","modified_gmt":"2018-05-16T09:43:30","slug":"valva-tricuspida","status":"publish","type":"wiki","link":"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/","title":{"rendered":"Valva tricuspid\u0103"},"content":{"rendered":"<h2>Ce este valva tricuspid\u0103?<\/h2>\n<p>Valva tricuspid\u0103 este una din cele patru supape ale inimii. Este situat\u0103 \u00eentre atriul drept \u0219i ventriculul drept. Valva tricuspid\u0103 este proiectat\u0103 pentru a se asigura c\u0103 s\u00e2ngele nu curge \u00eenapoi pe calea c\u0103tre inim\u0103, precum \u0219i pentru a asigura schimbul adecvat de oxigen \u0219i dioxid de carbon \u00een pl\u0103m\u00e2ni pentru \u00eentregul organism.<\/p>\n<p>Inima este un organ \u00eemp\u0103r\u021bit \u00een mai multe p\u0103r\u021bi, care \u00eei ajut\u0103 s\u0103-\u0219i \u00eendeplineasc\u0103 func\u021bia principal\u0103: s\u0103 transporte s\u00e2nge bogat \u00een oxigen c\u0103tre restul corpului (celule, \u021besuturi \u0219i organe) pentru a le hr\u0103ni \u0219i s\u0103 primeasc\u0103 s\u00e2nge \u00eenc\u0103rcat cu dioxid de carbon, pentru a fi trimis la pl\u0103m\u00e2ni, unde are loc schimbul de oxigen.<\/p>\n<p>&nbsp;<\/p>\n<p>Valvele cardiace sunt mici structuri, responsabile pentru prevenirea curgerii s\u00e2ngelui \u00eenapoi, asigur\u00e2ndu-se c\u0103 acesta se \u00eendreapt\u0103 \u00een direc\u021bia inimii. Valva tricuspid\u0103 este o valv\u0103 atrio-ventricular\u0103, care const\u0103 din trei membrane (cuspide), foarte rezistente, \u0219i se formeaz\u0103 din \u021besutul conjunctiv care se deschide \u0219i se \u00eenchide cu fiecare b\u0103taie a inimii, \u00eentr-o manier\u0103 coordonat\u0103. Clapetele sunt conectate la un inel valvular, prin care sunt conectate la peretele inimii. Marginile membranelor sunt legate de mu\u0219chii papilari prin corzi tendinoase, fibre de \u021besut conjunctiv rezultate din fluxul sanguin \u0219i de fazele cardiace, care ajut\u0103 la prevenirea revenirii s\u00e2ngelui \u00eenapoi.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>Ce func\u021bie \u00eendepline\u0219te valva tricuspid\u0103?<\/h2>\n<p>Inima este o pomp\u0103, care transport\u0103 s\u00e2nge bogat \u00een oxigen din pl\u0103m\u00e2ni c\u0103tre celulele \u021besuturilor \u0219i al organelor, \u00een schimbul s\u00e2ngelui \u00eenc\u0103rcat cu dioxid de carbon, care trebuie transformat. S\u00e2ngele oxigenat (s\u00e2nge arterial) circul\u0103 spre organele \u0219i \u021besuturile din corp prin aort\u0103, artera care transport\u0103 hran\u0103 \u00eentregului corp, \u0219i care se \u00eemparte \u00een ramuri \u0219i capilare din ce \u00een ce mai mici. S\u00e2ngele \u00eenc\u0103rcat cu dioxid de carbon revine la nivelul inimii prin vene, fiind transformat \u00een oxigen.<\/p>\n<p>&nbsp;<\/p>\n<p>Valva tricuspid\u0103 este responsabil\u0103 de a asigura c\u0103 s\u00e2ngele ne-oxigenat trece prin orificiul situat \u00eentre atriul drept \u0219i ventriculul drept.<\/p>\n<p>&nbsp;<\/p>\n<p>Ciclul cardiac const\u0103 din dou\u0103 faze: o faz\u0103 de relaxare (diastola) \u0219i o faz\u0103 de contrac\u021bie (sistola). \u00cen prima faz\u0103 (faza diastolic\u0103), supapele dintre atrii \u0219i ventricule sunt deschise \u0219i toat\u0103 inima este relaxat\u0103. \u00cen acest stadiu, valvele \u00een form\u0103 de semilun\u0103 sunt \u00eenchise, \u00eempiedic\u00e2nd intrarea s\u00e2ngelui \u00een paturile vasculare. \u00cen timpul celei de-a doua etape (faza sistolic\u0103), atriile \u0219i ventriculele se contract\u0103 \u00eentr-un mod coordonat: mai \u00eent\u00e2i atriile (sistol\u0103 atrial\u0103) \u0219i apoi ventriculele (sistol\u0103). \u00cen timpul contrac\u021biei ventriculare, tensiunea arterial\u0103 \u00eempinge valvele atrio-ventriculare, determin\u00e2ndu-le s\u0103 se \u00eenchid\u0103, nepermi\u021b\u00e2nd intrarea s\u00e2ngelui \u00een atrii.<\/p>\n<p>&nbsp;<\/p>\n<p>Mecanismul valvelor atrio-ventriculare \u0219i valva tricuspid\u0103 este ajustat prin fluxul sanguin \u0219i prin presiunea exercitat\u0103 \u00een fazele ciclului cardiac. \u00cen timpul sistolei ventriculare, tensiunea arterial\u0103 se exercit\u0103 \u00een sus fa\u021b\u0103 de membran\u0103, \u00eempiedic\u00e2nd s\u00e2ngele s\u0103 curg\u0103 \u00eenapoi. Coarda tendinoas\u0103 (fibrele inimii), care leag\u0103 mu\u0219chii papilari de valva tricuspida \u0219i de valva mitral\u0103 din inim\u0103, \u00eempiedic\u0103 valva s\u0103 fie \u00eempins\u0103 \u00een interiorul atriului. \u00cen cazul defectelor func\u021bionale sau anatomice, acest lucru poate duce la probleme, cum ar fi prolapsul de valv\u0103.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"author":11,"featured_media":0,"template":"","wiki-categories":[1691],"wiki-types":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.7.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Valva tricuspid\u0103 - Humanitas.net<\/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.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Valva tricuspid\u0103 - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Ce este valva tricuspid\u0103? Valva tricuspid\u0103 este una din cele patru supape ale inimii. Este situat\u0103 \u00eentre atriul drept \u0219i ventriculul drept. Valva tricuspid\u0103 este proiectat\u0103 pentru a se asigura c\u0103 s\u00e2ngele nu curge \u00eenapoi pe calea c\u0103tre inim\u0103, precum \u0219i pentru a asigura schimbul adecvat de oxigen \u0219i dioxid de carbon \u00een pl\u0103m\u00e2ni pentru [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/\" \/>\n<meta property=\"og:site_name\" content=\"Humanitas.net\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/HumanitasInternational\/\" \/>\n<meta property=\"article:modified_time\" content=\"2018-05-16T09:43:30+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:site\" content=\"@humanitasmilano\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/\",\"url\":\"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/\",\"name\":\"Valva tricuspid\u0103 - Humanitas.net\",\"isPartOf\":{\"@id\":\"https:\/\/www.humanitas.net\/sr\/#website\"},\"datePublished\":\"2018-05-16T09:42:14+00:00\",\"dateModified\":\"2018-05-16T09:43:30+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/#breadcrumb\"},\"inLanguage\":\"ro\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.humanitas.net\/ro\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Wikis\",\"item\":\"https:\/\/www.humanitas.net\/sr\/wiki\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Valva tricuspid\u0103\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.humanitas.net\/sr\/#website\",\"url\":\"https:\/\/www.humanitas.net\/sr\/\",\"name\":\"Humanitas.net\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.humanitas.net\/sr\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.humanitas.net\/sr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"ro\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.humanitas.net\/sr\/#organization\",\"name\":\"Humanitas\",\"url\":\"https:\/\/www.humanitas.net\/sr\/\",\"sameAs\":[\"https:\/\/www.facebook.com\/HumanitasInternational\/\",\"https:\/\/twitter.com\/humanitasmilano\"],\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ro\",\"@id\":\"https:\/\/www.humanitas.net\/sr\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.humanitas.net\/content\/uploads\/2017\/05\/logo-news-.png\",\"contentUrl\":\"https:\/\/www.humanitas.net\/content\/uploads\/2017\/05\/logo-news-.png\",\"width\":314,\"height\":61,\"caption\":\"Humanitas\"},\"image\":{\"@id\":\"https:\/\/www.humanitas.net\/sr\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Valva tricuspid\u0103 - Humanitas.net","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/","og_locale":"ro_RO","og_type":"article","og_title":"Valva tricuspid\u0103 - Humanitas.net","og_description":"Ce este valva tricuspid\u0103? Valva tricuspid\u0103 este una din cele patru supape ale inimii. Este situat\u0103 \u00eentre atriul drept \u0219i ventriculul drept. Valva tricuspid\u0103 este proiectat\u0103 pentru a se asigura c\u0103 s\u00e2ngele nu curge \u00eenapoi pe calea c\u0103tre inim\u0103, precum \u0219i pentru a asigura schimbul adecvat de oxigen \u0219i dioxid de carbon \u00een pl\u0103m\u00e2ni pentru [&hellip;]","og_url":"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/","og_site_name":"Humanitas.net","article_publisher":"https:\/\/www.facebook.com\/HumanitasInternational\/","article_modified_time":"2018-05-16T09:43:30+00:00","twitter_card":"summary","twitter_site":"@humanitasmilano","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/","url":"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/","name":"Valva tricuspid\u0103 - Humanitas.net","isPartOf":{"@id":"https:\/\/www.humanitas.net\/sr\/#website"},"datePublished":"2018-05-16T09:42:14+00:00","dateModified":"2018-05-16T09:43:30+00:00","breadcrumb":{"@id":"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/#breadcrumb"},"inLanguage":"ro","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/valva-tricuspida\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.humanitas.net\/ro\/"},{"@type":"ListItem","position":2,"name":"Wikis","item":"https:\/\/www.humanitas.net\/sr\/wiki\/"},{"@type":"ListItem","position":3,"name":"Valva tricuspid\u0103"}]},{"@type":"WebSite","@id":"https:\/\/www.humanitas.net\/sr\/#website","url":"https:\/\/www.humanitas.net\/sr\/","name":"Humanitas.net","description":"","publisher":{"@id":"https:\/\/www.humanitas.net\/sr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.humanitas.net\/sr\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"ro"},{"@type":"Organization","@id":"https:\/\/www.humanitas.net\/sr\/#organization","name":"Humanitas","url":"https:\/\/www.humanitas.net\/sr\/","sameAs":["https:\/\/www.facebook.com\/HumanitasInternational\/","https:\/\/twitter.com\/humanitasmilano"],"logo":{"@type":"ImageObject","inLanguage":"ro","@id":"https:\/\/www.humanitas.net\/sr\/#\/schema\/logo\/image\/","url":"https:\/\/www.humanitas.net\/content\/uploads\/2017\/05\/logo-news-.png","contentUrl":"https:\/\/www.humanitas.net\/content\/uploads\/2017\/05\/logo-news-.png","width":314,"height":61,"caption":"Humanitas"},"image":{"@id":"https:\/\/www.humanitas.net\/sr\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.humanitas.net\/ro\/wp-json\/wp\/v2\/wiki\/50343"}],"collection":[{"href":"https:\/\/www.humanitas.net\/ro\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/www.humanitas.net\/ro\/wp-json\/wp\/v2\/types\/wiki"}],"author":[{"embeddable":true,"href":"https:\/\/www.humanitas.net\/ro\/wp-json\/wp\/v2\/users\/11"}],"version-history":[{"count":0,"href":"https:\/\/www.humanitas.net\/ro\/wp-json\/wp\/v2\/wiki\/50343\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.humanitas.net\/ro\/wp-json\/wp\/v2\/media?parent=50343"}],"wp:term":[{"taxonomy":"wiki-categories","embeddable":true,"href":"https:\/\/www.humanitas.net\/ro\/wp-json\/wp\/v2\/wiki-categories?post=50343"},{"taxonomy":"wiki-types","embeddable":true,"href":"https:\/\/www.humanitas.net\/ro\/wp-json\/wp\/v2\/wiki-types?post=50343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}