{"id":81165,"date":"2018-05-15T11:48:10","date_gmt":"2018-05-15T11:48:10","guid":{"rendered":"http:\/\/humanitasnet-new.local\/enciclopedia\/venele-si-sistemul-venos\/"},"modified":"2018-05-15T11:48:10","modified_gmt":"2018-05-15T11:48:10","slug":"venele-si-sistemul-venos","status":"publish","type":"enciclopedia","link":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-si-sistemul-venos\/","title":{"rendered":"Venele \u0219i sistemul venos"},"content":{"rendered":"<h2 id=\"ce-sunt-venele-si-sistemul-venos\">Ce sunt venele \u0219i sistemul venos?<\/h2>\n<p>Venele sunt vasele sanguine responsabile pentru transportul s\u00e2ngelui din p\u0103r\u021bile periferice ale corpului c\u0103tre inim\u0103 (for\u021ba centripetal\u0103). Cu excep\u021bia venelor pulmonare, care transport\u0103 s\u00e2nge bogat \u00een oxigen \u0219i nutrien\u021bi, toate venele transport\u0103, \u00een general, s\u00e2nge dezoxigenat, care trebuie transformat, \u0219i produse reziduale.<\/p>\n<p>&nbsp;<\/p>\n<p>\u00cen func\u021bie de diametrul vaselor de s\u00e2nge, venele sunt \u00eemp\u0103r\u021bite, de la cel mai mic la cel mai mare diametru, astfel: capilare venoase, venule, vene mici, vene medii \u0219i vene mari. Pere\u021bii venelor, care sunt alc\u0103tui\u021bi din trei straturi suprapuse \u00eentre ele (stratul exterior, mediu \u0219i interior), sunt mai sub\u021biri dec\u00e2t pere\u021bii arterelor, \u0219i sunt caracteriza\u021bi de prezen\u021ba unei componente musculare elastice.<\/p>\n<p>&nbsp;<\/p>\n<p>Structurile principale care formeaz\u0103 sistemul venos sunt:<\/p>\n<p>&nbsp;<\/p>\n<p>Venele pulmonare<\/p>\n<p>Vena cav\u0103 inferioar\u0103<\/p>\n<p>Vena cava superioar\u0103<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"vena-cava-inferioara\">Vena cav\u0103 inferioar\u0103<\/h2>\n<p>Vena cav\u0103 inferioar\u0103, denumit\u0103 \u0219i vena cav\u0103 posterioar\u0103, este cea mai mare ven\u0103 din corpul uman. Ea este responsabil\u0103 de transportul s\u00e2ngelui deoxigenat din partea inferioar\u0103 a corpului (membrele inferioare \u0219i toate organele aflate sub diafragm\u0103) c\u0103tre inim\u0103. Situat\u0103 \u00een principal \u00een cavitatea abdominal\u0103 (doar o por\u021biune mic\u0103 \u00eencepe \u00een cavitatea toracic\u0103), ea se afl\u0103 \u00een spatele cavit\u0103\u021bii abdominale \u0219i se desf\u0103\u0219oar\u0103 vertical pe partea dreapt\u0103 a coloanei vertebrale. Aceast\u0103 ven\u0103 intr\u0103 \u00een atriul drept din partea dreapt\u0103 jos, \u00een partea din spate a inimii.<\/p>\n<p>Vena cav\u0103 inferioar\u0103 are o lungime de aproximativ 22 cm (dintre care 18 trec prin abdomen) \u0219i aproximativ 30 mm \u00een diametru.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"vena-cava-superioara\">Vena cav\u0103 superioar\u0103<\/h2>\n<p>Vena cav\u0103 superioar\u0103 este o vena mare, situat\u0103 \u00een mediastinul superior anterior. Ea este responsabil\u0103 de transportul s\u00e2ngelui dezoxigenat din partea superioar\u0103 a corpului (cap, g\u00e2t, membre superioare \u0219i c\u00e2teva organe din pieptului) p\u00e2n\u0103 la inim\u0103. Inima transmite apoi s\u00e2ngele deoxigenat la pl\u0103m\u00e2ni, astfel \u00eenc\u00e2t acesta s\u0103 poat\u0103 fi transformat \u00een s\u00e2nge oxigenat, pentru a fi pompat \u00een tot corpul.<\/p>\n<p>&nbsp;<\/p>\n<p>Vena cav\u0103 superioar\u0103 are o lungime de aproximativ 7 cm \u0219i un diametru de aproximativ 22 mm.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"ce-functii-indeplinesc-venele-si-sistemul-venos\">Ce func\u021bii \u00eendeplinesc venele \u0219i sistemul venos?<\/h2>\n<p>Ca parte a sistemului circulator, sistemul venos este responsabil pentru transportul s\u00e2ngelui dezoxigenat din mu\u0219chi \u0219i \u021besuturi c\u0103tre inim\u0103. El este alc\u0103tuit din trei unit\u0103\u021bi (sistemul superficial, ad\u00e2nc \u0219i de conectare). Corpul are: vene superficiale, care sunt situate \u00een stratul gras sub piele; vene profunde, care se afl\u0103 \u00een mu\u0219chi \u0219i de-a lungul oaselor; vene scurte (numite \u0219i vene de leg\u0103tur\u0103), care leag\u0103 venele superficiale \u0219i ad\u00e2nci.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","Example":[1792],"class_list":["post-81165","enciclopedia","type-enciclopedia","status-publish","hentry","enciclopedia_category-anatomie"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Venele \u0219i sistemul venos - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Venele \u0219i sistemul venos - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Ce sunt venele \u0219i sistemul venos? Venele sunt vasele sanguine responsabile pentru transportul s\u00e2ngelui din p\u0103r\u021bile periferice ale corpului c\u0103tre inim\u0103 (for\u021ba centripetal\u0103). Cu excep\u021bia venelor pulmonare, care transport\u0103 s\u00e2nge bogat \u00een oxigen \u0219i nutrien\u021bi, toate venele transport\u0103, \u00een general, s\u00e2nge dezoxigenat, care trebuie transformat, \u0219i produse reziduale. &nbsp; \u00cen func\u021bie de diametrul vaselor de [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-si-sistemul-venos\/\" \/>\n<meta property=\"og:site_name\" content=\"Humanitas.net\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/HumanitasInternational\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@humanitasmilano\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-si-sistemul-venos\/\",\"url\":\"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-si-sistemul-venos\/\",\"name\":\"Venele \u0219i sistemul venos - Humanitas.net\",\"isPartOf\":{\"@id\":\"https:\/\/humanitas-net.humweb.webiz.team\/#website\"},\"datePublished\":\"2018-05-15T11:48:10+00:00\",\"dateModified\":\"2018-05-15T11:48:10+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-si-sistemul-venos\/#breadcrumb\"},\"inLanguage\":\"ro-RO\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-si-sistemul-venos\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-si-sistemul-venos\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/humanitas-net.humweb.webiz.team\/ro\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Enciclopedia\",\"item\":\"https:\/\/humanitas-net.humweb.webiz.team\/enciclopedia\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Venele \u0219i sistemul venos\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/humanitas-net.humweb.webiz.team\/#website\",\"url\":\"https:\/\/humanitas-net.humweb.webiz.team\/\",\"name\":\"Humanitas.net\",\"description\":\"Humanitas Hospital\",\"publisher\":{\"@id\":\"https:\/\/humanitas-net.humweb.webiz.team\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/humanitas-net.humweb.webiz.team\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ro-RO\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/humanitas-net.humweb.webiz.team\/#organization\",\"name\":\"Humanitas\",\"url\":\"https:\/\/humanitas-net.humweb.webiz.team\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ro-RO\",\"@id\":\"https:\/\/humanitas-net.humweb.webiz.team\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/humanitas-net.humweb.webiz.team\/wp-content\/uploads\/2025\/01\/new-humanitas-logo-1.svg\",\"contentUrl\":\"https:\/\/humanitas-net.humweb.webiz.team\/wp-content\/uploads\/2025\/01\/new-humanitas-logo-1.svg\",\"width\":1,\"height\":1,\"caption\":\"Humanitas\"},\"image\":{\"@id\":\"https:\/\/humanitas-net.humweb.webiz.team\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/HumanitasInternational\/\",\"https:\/\/x.com\/humanitasmilano\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Venele \u0219i sistemul venos - Humanitas.net","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"ro_RO","og_type":"article","og_title":"Venele \u0219i sistemul venos - Humanitas.net","og_description":"Ce sunt venele \u0219i sistemul venos? Venele sunt vasele sanguine responsabile pentru transportul s\u00e2ngelui din p\u0103r\u021bile periferice ale corpului c\u0103tre inim\u0103 (for\u021ba centripetal\u0103). Cu excep\u021bia venelor pulmonare, care transport\u0103 s\u00e2nge bogat \u00een oxigen \u0219i nutrien\u021bi, toate venele transport\u0103, \u00een general, s\u00e2nge dezoxigenat, care trebuie transformat, \u0219i produse reziduale. &nbsp; \u00cen func\u021bie de diametrul vaselor de [&hellip;]","og_url":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-si-sistemul-venos\/","og_site_name":"Humanitas.net","article_publisher":"https:\/\/www.facebook.com\/HumanitasInternational\/","twitter_card":"summary_large_image","twitter_site":"@humanitasmilano","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-si-sistemul-venos\/","url":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-si-sistemul-venos\/","name":"Venele \u0219i sistemul venos - Humanitas.net","isPartOf":{"@id":"https:\/\/humanitas-net.humweb.webiz.team\/#website"},"datePublished":"2018-05-15T11:48:10+00:00","dateModified":"2018-05-15T11:48:10+00:00","breadcrumb":{"@id":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-si-sistemul-venos\/#breadcrumb"},"inLanguage":"ro-RO","potentialAction":[{"@type":"ReadAction","target":["https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-si-sistemul-venos\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-si-sistemul-venos\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/"},{"@type":"ListItem","position":2,"name":"Enciclopedia","item":"https:\/\/humanitas-net.humweb.webiz.team\/enciclopedia\/"},{"@type":"ListItem","position":3,"name":"Venele \u0219i sistemul venos"}]},{"@type":"WebSite","@id":"https:\/\/humanitas-net.humweb.webiz.team\/#website","url":"https:\/\/humanitas-net.humweb.webiz.team\/","name":"Humanitas.net","description":"Humanitas Hospital","publisher":{"@id":"https:\/\/humanitas-net.humweb.webiz.team\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/humanitas-net.humweb.webiz.team\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ro-RO"},{"@type":"Organization","@id":"https:\/\/humanitas-net.humweb.webiz.team\/#organization","name":"Humanitas","url":"https:\/\/humanitas-net.humweb.webiz.team\/","logo":{"@type":"ImageObject","inLanguage":"ro-RO","@id":"https:\/\/humanitas-net.humweb.webiz.team\/#\/schema\/logo\/image\/","url":"https:\/\/humanitas-net.humweb.webiz.team\/wp-content\/uploads\/2025\/01\/new-humanitas-logo-1.svg","contentUrl":"https:\/\/humanitas-net.humweb.webiz.team\/wp-content\/uploads\/2025\/01\/new-humanitas-logo-1.svg","width":1,"height":1,"caption":"Humanitas"},"image":{"@id":"https:\/\/humanitas-net.humweb.webiz.team\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/HumanitasInternational\/","https:\/\/x.com\/humanitasmilano"]}]}},"acf":[],"_links":{"self":[{"href":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wp-json\/wp\/v2\/enciclopedia\/81165","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wp-json\/wp\/v2\/enciclopedia"}],"about":[{"href":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wp-json\/wp\/v2\/types\/enciclopedia"}],"wp:attachment":[{"href":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wp-json\/wp\/v2\/media?parent=81165"}],"wp:term":[{"taxonomy":"enciclopedia_category","embeddable":true,"href":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wp-json\/wp\/v2\/Example?post=81165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}