{"id":50466,"date":"2018-05-16T12:34:22","date_gmt":"2018-05-16T12:34:22","guid":{"rendered":"https:\/\/www.humanitas.net\/?post_type=wiki&#038;p=50466"},"modified":"2018-05-16T12:34:55","modified_gmt":"2018-05-16T12:34:55","slug":"arterele-pulmonare","status":"publish","type":"wiki","link":"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/arterele-pulmonare\/","title":{"rendered":"Arterele pulmonare"},"content":{"rendered":"<h2>Ce sunt arterele pulmonare?<\/h2>\n<p>Arterele pulmonare sunt vasele de s\u00e2nge responsabile cu transportul s\u00e2ngelui \u0219i al de\u0219eurilor dezoxigenate, prin circula\u021bia periferic\u0103, de la inim\u0103 la pl\u0103m\u00e2ni. \u00cempreun\u0103 cu venele 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, venele fac transportul s\u00e2ngelui dezoxigenat \u0219i al de\u0219eurilor, \u00een timp ce arterele au sarcina de a transporta s\u00e2nge oxigenat. Sistemul este inversat \u00een circula\u021bia pulmonar\u0103, unde arterele pulmonare sunt, de fapt, singurele artere din corpul uman care transport\u0103 s\u00e2nge dezoxigenat \u0219i de\u0219euri.<\/p>\n<p>&nbsp;<\/p>\n<p>\u00cen inim\u0103, artera pulmonar\u0103 \u00eencepe la baza ventriculului drept. Este scurt\u0103, de aproximativ 5 cm \u00een lungime, \u0219i lat\u0103 de aproximativ 3 cm \u00een diametru. Ea se divide apoi \u00een dou\u0103 artere pulmonare: artera pulmonar\u0103 dreapt\u0103 \u0219i artera pulmonar\u0103 st\u00e2ng\u0103. Artera pulmonar\u0103 dreapt\u0103 este mai lung\u0103 \u0219i mai groas\u0103 dec\u00e2t cea st\u00e2ng\u0103. Fiecare trece prin pl\u0103m\u00e2ni \u0219i este \u00eenso\u021bit\u0103 de dou\u0103 vene pulmonare, precum \u0219i de bronhiile principale. Dup\u0103 ce au intrat \u00een pl\u0103m\u00e2ni, arterele pulmonare, urm\u00e2nd exemplul bronhiilor, se \u00eempart mai departe \u00een alveole. Alveolele sunt structuri \u00een care are loc schimbul de gaze (procesul de oxigenare a s\u00e2ngelui).<\/p>\n<p>&nbsp;<\/p>\n<p>Afec\u021biunile legate de artera pulmonar\u0103 pot include hipertensiunea pulmonar\u0103 \u0219i embolia pulmonar\u0103. Hipertensiunea pulmonar\u0103 este o afec\u021biune pulmonar\u0103 rar\u0103, care apare atunci c\u00e2nd tensiunea \u00een artere cre\u0219te peste nivelele normale. Acest lucru tinde s\u0103 se \u00eent\u00e2mple atunci c\u00e2nd arterele care transport\u0103 s\u00e2nge de la inim\u0103 la pl\u0103m\u00e2ni se \u00eengusteaz\u0103, f\u0103c\u00e2nd dificil\u0103 curgerea s\u00e2ngelui prin ele. Poate duce mai departe la probleme de respira\u021bie, umflarea picioarelor, oboseal\u0103, ame\u021beli, le\u0219in \u0219i alte simptome, precum \u0219i la probleme cardiace, boli pulmonare sau chiar la embolie pulmonar\u0103.<\/p>\n<p>&nbsp;<\/p>\n<p>Embolia pulmonar\u0103 se refer\u0103 la blocarea uneia dintre arterele pulmonare \u00een interiorul pl\u0103m\u00e2nilor. \u00cen cele mai multe cazuri, este cauzat\u0103 de formarea cheagurilor de s\u00e2nge \u0219i este legat\u0103 de tromboza venoas\u0103 profund\u0103, o afec\u021biune \u00een care se formeaz\u0103 cheaguri de s\u00e2nge \u00een vasele profunde ale corpului (de obicei la picioare). Aceast\u0103 afec\u021biune este o cauz\u0103 obi\u0219nuit\u0103 de deces la persoanele care sufer\u0103 de cancer \u0219i accident vascular cerebral. Solicitarea unui tratament este esen\u021bial\u0103 pentru a preveni apari\u021bia unor complica\u021bii suplimentare \u0219i pentru a reduce foarte mult riscul de deces.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>Ce func\u021bie \u00eendeplinesc arterele pulmonare?<\/h2>\n<p>Cea mai important\u0103 func\u021bie a arterelor pulmonare este de a transporta s\u00e2nge dezoxigenat \u0219i de\u0219euri, prin circula\u021bia periferic\u0103, de la inim\u0103 la pl\u0103m\u00e2ni, unde are loc procesul de transformare. Corpul uman nu poate tr\u0103i \u0219i cre\u0219te f\u0103r\u0103 oxigen; prin urmare, arterele pulmonare au o importan\u021b\u0103 deosebit\u0103 \u00een acest domeniu.<\/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>Arterele pulmonare - 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\/arterele-pulmonare\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Arterele pulmonare - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Ce sunt arterele pulmonare? 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Arterele pulmonare sunt vasele de s\u00e2nge responsabile cu transportul s\u00e2ngelui \u0219i al de\u0219eurilor dezoxigenate, prin circula\u021bia periferic\u0103, de la inim\u0103 la pl\u0103m\u00e2ni. \u00cempreun\u0103 cu venele pulmonare, ele formeaz\u0103 circula\u021bia pulmonar\u0103 (numit\u0103 \u0219i &#8220;circula\u021bia mic\u0103&#8221;) sau o parte a sistemului circulator. 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