{"id":644,"date":"2022-09-23T09:46:01","date_gmt":"2022-09-23T09:46:01","guid":{"rendered":"https:\/\/venax.me\/novosti\/?p=644"},"modified":"2022-09-23T09:46:01","modified_gmt":"2022-09-23T09:46:01","slug":"cemu-sluze-vene-2","status":"publish","type":"post","link":"https:\/\/venax.me\/novosti\/2022\/09\/23\/cemu-sluze-vene-2\/","title":{"rendered":"\u010cemu slu\u017ee vene?"},"content":{"rendered":"\n<p>Glavne vene imaju zaliske koji propu\u0161taju krv prema srcu, a sprje\u010davaju suprotan tok.&nbsp; Venska cirkulacija odvija se odozdo prema gore, te od povr\u0161inskih ka dubokim venama. Kada stojimo, krv u venama mora svladati silu te\u017ee kako bi do\u0161la do srca. To omogu\u0107ava venska pumpa, a mi\u0161i\u0107i nogu i stopala kontrakcijama usmjeravaju krv prema srcu. Kada se relaksiraju, valvule se zatvaraju i sprje\u010davaju vra\u0107anje krvi prema natrag.<\/p>\n\n\n\n<p>Kod o\u0161te\u0107enja vena smjer se mijenja u smjeru sile te\u017ee. Kod prisutne tromboze vena, cirkulacija je blokirana. Porast unutarnjeg tlaka u venama slabi njihove stijenke, a oslabljeni zalisci vi\u0161e ne uspijevaju obavljati svoju funkciju. Krv se sve \u010de\u0161\u0107e vra\u0107a natrag, vena se \u0161iri, gr\u010di, pro\u0161iruje, produljuje, savija, pojavljuju se \u010dvorovi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Glavne vene imaju zaliske koji propu\u0161taju krv prema srcu, a sprje\u010davaju suprotan tok.&nbsp; Venska cirkulacija odvija se odozdo prema gore, te od povr\u0161inskih ka dubokim venama. Kada stojimo, krv u venama mora svladati silu te\u017ee kako bi do\u0161la do srca. To omogu\u0107ava venska pumpa, a mi\u0161i\u0107i nogu i stopala kontrakcijama usmjeravaju krv prema srcu. Kada &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/venax.me\/novosti\/2022\/09\/23\/cemu-sluze-vene-2\/\" class=\"more-link\">Nastavi \u010ditati<span class=\"screen-reader-text\"> &#8220;\u010cemu slu\u017ee vene?&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":645,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/venax.me\/novosti\/wp-json\/wp\/v2\/posts\/644"}],"collection":[{"href":"https:\/\/venax.me\/novosti\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/venax.me\/novosti\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/venax.me\/novosti\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/venax.me\/novosti\/wp-json\/wp\/v2\/comments?post=644"}],"version-history":[{"count":1,"href":"https:\/\/venax.me\/novosti\/wp-json\/wp\/v2\/posts\/644\/revisions"}],"predecessor-version":[{"id":646,"href":"https:\/\/venax.me\/novosti\/wp-json\/wp\/v2\/posts\/644\/revisions\/646"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/venax.me\/novosti\/wp-json\/wp\/v2\/media\/645"}],"wp:attachment":[{"href":"https:\/\/venax.me\/novosti\/wp-json\/wp\/v2\/media?parent=644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/venax.me\/novosti\/wp-json\/wp\/v2\/categories?post=644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/venax.me\/novosti\/wp-json\/wp\/v2\/tags?post=644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}