{"id":80871,"date":"2018-05-02T14:02:10","date_gmt":"2018-05-02T14:02:10","guid":{"rendered":"http:\/\/humanitasnet-new.local\/enciclopedia\/prostata\/"},"modified":"2018-05-02T14:02:10","modified_gmt":"2018-05-02T14:02:10","slug":"prostata","status":"publish","type":"enciclopedia","link":"https:\/\/humanitas-net.humweb.webiz.team\/sr\/wiki\/prostata\/","title":{"rendered":"Prostata"},"content":{"rendered":"<p>Prostata je \u017elezda mu\u0161kog reproduktivnog sistema koja je sa\u010dinjena od vlaknastog tkiva i mi\u0161i\u0107a. Glavna funkcija prostate je proizvodnja i skladi\u0161tenje materija koje ulaze u sastav ejakulata, odnosno sperme. Nalazi se ispod be\u0161ike i ispred rektuma, od koga je udaljena svega nekoliko centimetara.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"sta-je-prostata\">\u0160ta je prostata?<\/h2>\n<p>Prostata je mu\u0161ka polna \u017elezda koja predstavlja deo reproduktivnog sistema. Pri ro\u0111enju, veli\u010dina prostate srazmerna je veli\u010dini zrna pasulja. Ovaj organ lagano raste do puberteta, kada se naglo pove\u0107ava. U toku puberteta prostata dosti\u017ee svoju normalnu veli\u010dinu i oblik. Kod zdravih odraslih mu\u0161karaca prostata je obi\u010dno veli\u010dine i oblika kestena. Ova \u017elezda duga\u010dka je oko 3, \u0161iroka oko 4 a duboka oko 2.5 cm. Naju\u017ei deo prostate okrenut je na dole. Kod zdravih mu\u0161karaca koji su dostigli polnu zrelost prostata je te\u0161ka izme\u0111u 10 i 20 grama, gde je prose\u010dna te\u017eina oko 16 grama. Tu veli\u010dinu zadr\u017eava do sredine \u010detrdesetih godina \u017eivota, kada po\u010dinje ponovo da se pove\u0107ava. Do pove\u0107avanja prostate nakon 40 godine \u017eivota dolazi zbog umno\u017eavanja \u0107elija, odnosno pojave koje se naziva adenom, benigna hiperplazija ili dobro\u0107udno pove\u0107anje prostate. Ova \u017elezda sastoji se od glatkih mi\u0161i\u0107nih \u0107elija i \u017elezdanog epitelnog tkiva koje je okru\u017eeno fibroznom kapsulom. U \u017elezdanom tkivu se proizvodi semena plazma. Centralni deo prostate nalazi se oko ejakulatornog kanala. Pored centralnog dela, razlikuju se prednji i periferni deo prostate. Periferni deo \u010dini skoro 70% celokupne zapremine ove \u017elezde. Prostata je podlo\u017ena nastanku mnogobrojnih bolesti poput upala, infekcija, malignih kanceroznih tumora, litijaze i cista.<\/p>\n<p>&nbsp;<\/p>\n<p>Prostata je okru\u017eena slojem vezivnog tkiva koji se naziva prostati\u010dna kapsula. U pogledu strukture, prostata je izgra\u0111ena od tri razli\u010dite vrste \u0107elija:<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u0106elija \u017elezdanog tkiva koje proizvode te\u010dni deo sperme, odnosno semenu plazmu<\/li>\n<li>Vlaknastih \u0107elija od kojih je izgra\u0111ena potporna struktura prostate<\/li>\n<li>\u0106elija glatkih mi\u0161i\u0107a koje kontroli\u0161u ejakulaciju i tok mokra\u0107e<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Neke od struktura koje se tako\u0111e nalaze unutar prostate su:<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>Semeni mehuri\u0107i (\u017elezde koje proizvode spermu)<\/li>\n<li>Mi\u0161i\u0107i (slu\u017ee za kontrolisanje protoka mokra\u0107e)<\/li>\n<li>Snopovi nerava (zadu\u017eeni su za kontrolisanje mokra\u0107ne i erektilne funkcije)<\/li>\n<li>Semenovodi (cev\u010dice kojima sperma iz testisa dospeva u semene mehuri\u0107e, odnosno semenike)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"koja-je-funkcija-prostate\">Koja je funkcija prostate?<\/h2>\n<p>Prostata je organ u ljudskom telu koji ima egzokrinu funkciju. Prostata lu\u010di prostati\u010dnu te\u010dnost koja zajedno sa bulbouretalnim i semenim \u017elezdama proizvodi spermu. Drugim re\u010dima, \u0107elije prostate lu\u010de te\u010dnost bogatu proteinima i mineralima koja u sebi nosi spermu. Ova te\u010dnost \u010dini otprilike jednu \u010detvrtinu celokupne zapremine sperme, i ima nekoliko razli\u010ditih funkcija. Ona omogu\u0107ava pokretljivost spermatozoida, smanjuje kiselost mokra\u0107e i vaginalnog sekreta, omogu\u0107ava du\u017ei \u017eivotni vek sperme, a tako\u0111e u\u010destvuje i u procesu koagulacije i likvifikaciji sperme. U toku seksualnog uzbu\u0111enja prostata lu\u010di ve\u0107u koli\u010dinu prostati\u010dne te\u010dnosti koja se me\u0161a sa spermatozoidima i izlu\u010duje se kao sperma.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"muski-androgeni-hormoni-koji-se-proizvode-u-testisima-zaduzeni-su-za-regulisanje-lucenja-ove-tecnosti-u-prostati\">Mu\u0161ki androgeni hormoni koji se proizvode u testisima zadu\u017eeni su za regulisanje lu\u010denja ove te\u010dnosti u prostati.<\/h2>\n<p>Prostata tako\u0111e igra bitnu ulogu i u regulisanju toka mokra\u0107e. Vlakna mi\u0161i\u0107a od kojih je izgra\u0111ena prostata obmotana su oko uretre. Svojim polo\u017eajem mogu da pomognu pri kontrolisanju toka urina tako \u0161to se kontrakuju kako bi usporili protok, ili se opuste kako bi ubrzali protok mokra\u0107e.<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","Example":[1789],"class_list":["post-80871","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>Prostata - 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=\"Prostata - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Prostata je \u017elezda mu\u0161kog reproduktivnog sistema koja je sa\u010dinjena od vlaknastog tkiva i mi\u0161i\u0107a. Glavna funkcija prostate je proizvodnja i skladi\u0161tenje materija koje ulaze u sastav ejakulata, odnosno sperme. Nalazi se ispod be\u0161ike i ispred rektuma, od koga je udaljena svega nekoliko centimetara. &nbsp; \u0160ta je prostata? 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