{"id":81226,"date":"2018-05-16T11:39:01","date_gmt":"2018-05-16T11:39:01","guid":{"rendered":"http:\/\/humanitasnet-new.local\/enciclopedia\/venele-pulmonare\/"},"modified":"2018-05-16T11:39:01","modified_gmt":"2018-05-16T11:39:01","slug":"venele-pulmonare","status":"publish","type":"enciclopedia","link":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/venele-pulmonare\/","title":{"rendered":"Venele pulmonare"},"content":{"rendered":"<h2 id=\"ce-sunt-venele-pulmonare\">Ce sunt venele pulmonare?<\/h2>\n<p>Venele pulmonare sunt responsabile de transportul s\u00e2ngelui oxigenat din pl\u0103m\u00e2ni c\u0103tre inim\u0103 (la nivelul atriului st\u00e2ng), care este apoi pompat \u00een exterior c\u0103tre restul corpului. \u00cempreun\u0103 cu arterele pulmonare, ele formeaz\u0103 circula\u021bia pulmonar\u0103 (numit\u0103 \u0219i &#8220;circula\u021bia mic\u0103&#8221;) sau o parte a sistemului circulator. Circula\u021bia pulmonar\u0103 este parte din sistemul cardiovascular \u0219i este responsabil\u0103 cu transportul s\u00e2ngelui dezoxigenat \u0219i al de\u0219eurilor din toate organele \u0219i \u021besuturile corpului de la inim\u0103 la pl\u0103m\u00e2ni, \u0219i cu returnarea s\u00e2ngelui oxigenat \u00eenapoi la inim\u0103, precum \u0219i nutrien\u021bi \u00eembog\u0103\u021bi\u021bi c\u0103tre toate celelalte organe \u0219i \u021besuturi.<\/p>\n<p>&nbsp;<\/p>\n<p>\u00cen circula\u021bia sistemic\u0103 (sau &#8220;circula\u021bia mare&#8221;), care este parte a sistemului circulator responsabil cu transmiterea s\u00e2ngelui oxigenat c\u0103tre toate celelalte organe \u0219i \u021besuturi, arterele au sarcina de a transporta s\u00e2nge oxigenat, \u00een timp ce venele fac transportul s\u00e2ngelui dezoxigenat \u0219i al de\u0219eurilor. Sistemul este inversat \u00een circula\u021bia pulmonar\u0103, unde venele pulmonare sunt, de fapt, singurele vene din corpul uman care transport\u0103 s\u00e2nge oxigenat.<\/p>\n<p>&nbsp;<\/p>\n<p>Fiecare ven\u0103 pulmonar\u0103 este legat\u0103 de o re\u021bea de capilare (vase mici de s\u00e2nge) \u00een alveolele fiec\u0103rui pl\u0103m\u00e2n. Alveolele sunt mici s\u0103cule\u021bi de aer \u00een pl\u0103m\u00e2ni \u00een care se schimb\u0103 oxigenul \u0219i dioxidul de carbon. Aceste capilare se leag\u0103 \u00eempreun\u0103, pentru a forma un singur vas de s\u00e2nge din fiecare lob pulmonar. Pl\u0103m\u00e2nul drept con\u021bine trei lobi, iar cel st\u00e2ng doar doi. Venele pulmonare care leag\u0103 pl\u0103m\u00e2nul drept de inim\u0103 sunt numite venele pulmonare drepte, \u00een timp ce cele care leag\u0103 inima de pl\u0103m\u00e2nul st\u00e2ng se numesc vene pulmonare st\u00e2ngi. Exist\u0103 de obicei patru vene pulmonare, c\u00e2te dou\u0103 pentru fiecare pl\u0103m\u00e2n. \u00cen func\u021bie de lob, venele pulmonare st\u00e2ngi \u0219i drepte sunt \u00eemp\u0103r\u021bite \u00een categoria superioar\u0103, respectiv cea inferioar\u0103.<\/p>\n<p>&nbsp;<\/p>\n<p>St\u00e2nga superioar\u0103: dreneaz\u0103 lobul superior st\u00e2ng<\/p>\n<p>St\u00e2nga inferioar\u0103: dreneaz\u0103 lobul inferior st\u00e2ng<\/p>\n<p>Dreapta superioar\u0103: dreneaz\u0103 lobii din partea dreapt\u0103 &#8211; superior \u0219i mijlociu<\/p>\n<p>Dreapta inferioar\u0103: dreneaz\u0103 lobul inferior drept<\/p>\n<p>&nbsp;<\/p>\n<p>Caracterizate prin pere\u021bii lor sub\u021biri \u0219i prin elasticitate, venele pulmonare au o lungime medie de 1,5 cm, \u00een timp ce \u00een diametru au \u00eentre 13 \u0219i 16 mm. Ele nu au valve. De obicei, venele pulmonare din dreapta sunt mai groase dec\u00e2t cele din st\u00e2nga, \u0219i intr\u0103 \u00een atriul st\u00e2ng \u00een apropierea septului atrial, \u00een timp ce venele pulmonare din st\u00e2nga intr\u0103 \u00een peretele lateral.<\/p>\n<p>&nbsp;<\/p>\n<p>Orice afec\u021biune legat\u0103 de vasele de s\u00e2nge de-a lungul cursului dintre inim\u0103 \u0219i pl\u0103m\u00e2ni este denumit\u0103 boal\u0103 vascularo-pulmonar\u0103. Cauzele bolilor vascularo-pulmonare depind, \u00een general, de care dintre vasele de s\u00e2nge ale pl\u0103m\u00e2nilor sunt afectate. Un simptom comun \u00eel reprezint\u0103 dificult\u0103\u021bile de respira\u021biei, \u0219i solicitarea unui consult este esen\u021bial\u0103 pentru a determina cea mai potrivit\u0103 form\u0103 de tratament \u0219i pentru a preveni apari\u021bia altor complica\u021bii.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"ce-functie-indeplinesc-venele-pulmonare\">Ce func\u021bie \u00eendeplinesc venele pulmonare?<\/h2>\n<p>Cea mai important\u0103 func\u021bie a venelor pulmonare este de a transporta s\u00e2ngele oxigenat din pl\u0103m\u00e2ni la inim\u0103, care este apoi pompat \u00een exterior, c\u0103tre restul corpului. Dup\u0103 ce s\u00e2ngele este transportat \u00een alte p\u0103r\u021bi ale corpului prin artere, acesta pierde oxigenul \u0219i se transform\u0103 \u00een s\u00e2nge dezoxigenat. Corpul uman nu poate tr\u0103i \u0219i cre\u0219te f\u0103r\u0103 oxigen; prin urmare, venele pulmonare au o mare importan\u021b\u0103 \u00een acest domeniu. Ele de\u021bin cheia func\u021bion\u0103rii corecte a sistemului circulator \u0219i cardiovascular.<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","Example":[1792],"class_list":["post-81226","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 pulmonare - 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 pulmonare - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Ce sunt venele pulmonare? 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