{"id":80944,"date":"2018-05-07T07:56:10","date_gmt":"2018-05-07T07:56:10","guid":{"rendered":"http:\/\/humanitasnet-new.local\/enciclopedia\/pankreas\/"},"modified":"2018-05-07T07:56:10","modified_gmt":"2018-05-07T07:56:10","slug":"pankreas","status":"publish","type":"enciclopedia","link":"https:\/\/humanitas-net.humweb.webiz.team\/sr\/wiki\/pankreas\/","title":{"rendered":"Pankreas"},"content":{"rendered":"<h2 id=\"sta-je-pankreas\">\u0160ta je pankreas?<\/h2>\n<p>Pankreas je \u017elezda koja ima oblik izdu\u017eene kupe i koja predstavlja deo sistema za varenje. Pankreas je deo endokrinog sistema izlu\u010divanja (sistema koji lu\u010di odre\u0111ene supstance \u2013 hormone, enzime koji se direktno ubacuju u krvotok), ali i egzokrinog sistema izlu\u010divanja (kod koga se proizvodi lu\u010denja izbacuju u telesne \u0161upjline ili se izlu\u010duju van organizma). Pankreas koji je gotovo horizontalno postavljen sme\u0161ten je u gornjem delu abdomena, ukoso iza \u017eeluca u nivou prva dva lumbalna pr\u0161ljena.<\/p>\n<p>&nbsp;<\/p>\n<p>Pankreas je \u017elezda sa spolja\u0161njim i unutra\u0161njim lu\u010denjem. Duga je oko 15 centimetara i te\u0161ka je izme\u0111u 70 i 80 grama. Sastoji se iz \u010detiri dela: glave, vrata, tela i repa. Glava pankreasa, predstavlja po\u010detni i najve\u0107i deo okru\u017eena je dvanaestopala\u010dnim lukom i ima produ\u017eetak u obliku kuke (poznat kao mali pankreas). Vrat pankreasa, koji se lako prepoznaje zato \u0161to je uzak i tanak spaja telo i glavu pankreasa. Telo pankreasa se prepoznaje kao nastavak vrata i njegova du\u017eina iznosi 6.8 centimeters. Kona\u010dno, rep pankreasa predstavlja zavr\u0161etak i ujedno najtanji deo pankreasa, nalazi se u direktnom kontaktu sa slezinom.<\/p>\n<p>&nbsp;<\/p>\n<p>Pankreas ima dva glavna kanala: glavni pankreasni kanal (Virsungov izvodni kanal) i pomo\u0107ni pankreasni kanal (Santorinijev izvodni kanal). Pomo\u0107i pankreasni kanal izliva se u dvanaestopala\u010dno crevo preko male dvanaestopala\u010dne. Njihov glavni zadatak je transport pankreasnog soka od pankreasa do creva. To je te\u010dnost koju \u010dini nekoliko enzima (lipaza, amilaza, itd.), koji su od su\u0161tinskog zna\u010daja za proces varenja hrane.<\/p>\n<p>&nbsp;<\/p>\n<p>Unutar pankreasa rasuta su pankreasna ostrvca. Pankreasna ostrvca su endokrine strukture odgovorne za proizvodnju i lu\u010denje razli\u010ditih hormona (poput insulina i glukagona) i imaju su\u0161tinsku ulogu u kontroli nivoa glukoze u krvi.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"koja-je-uloga-pankreasa\">Koja je uloga pankreasa?<\/h2>\n<p>Pankreas ima dve primarne funkcije: egzokrino i endokrino lu\u010denje. Egzokrino lu\u010denje je neophodno za proces varenja hrane i su\u0161tinsko je za funkcionisanje digestivnog sistema; dok je endokrino lu\u010denje dosta uklju\u010deno u funkcionisanje endokrinog sistema.<\/p>\n<p>&nbsp;<\/p>\n<p>Egzokrinu funkciju, su\u0161tinsku za proces varenja hrane unete u organizam, obavljaju strukture poznate kao glandularni acinusi \u010diji se produkti izlu\u010duju u crevo preko Virsungovog izvodnog kanala pankreasa. Finalni proizvod egzokrine sekrecije je pankreasni sok koji je te\u010dan i sa\u010dinjen je od seta enzima poput lipaze, amilaze, itd.) i koji je od su\u0161tinskog zna\u010daja za varenje.<\/p>\n<p>&nbsp;<\/p>\n<p>Endokrinu sekreciju obavljaju \u0107elije grupisane u Langerhansova ostrvca. Endokrine \u0107elije podeljene su na alfa-\u0107elije, beta-\u0107elije i delta-\u0107elije. Alfa-\u0107elije uklju\u010dene su u lu\u010denje glukagona (hiperglikemijskog hormona); beta \u0107elije su zadu\u017eene za lu\u010denje insulina (hipoglikemijskog hormona); i kona\u010dno, delta-\u0107elije su uklju\u010dene u lu\u010denje hormona somatostatina preko koga se mo\u017ee pratiti aktivnost alfa i beta \u0107elija.<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","Example":[1789],"class_list":["post-80944","enciclopedia","type-enciclopedia","status-publish","hentry","enciclopedia_category-anatomija"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pankreas - 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=\"sr_RS\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pankreas - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"\u0160ta je pankreas? 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Pankreas je \u017elezda koja ima oblik izdu\u017eene kupe i koja predstavlja deo sistema za varenje. 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