{"id":81252,"date":"2018-05-16T13:22:17","date_gmt":"2018-05-16T13:22:17","guid":{"rendered":"http:\/\/humanitasnet-new.local\/enciclopedia\/intestinul-gros\/"},"modified":"2018-05-16T13:22:17","modified_gmt":"2018-05-16T13:22:17","slug":"intestinul-gros","status":"publish","type":"enciclopedia","link":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/intestinul-gros\/","title":{"rendered":"Intestinul gros"},"content":{"rendered":"<h2 id=\"ce-este-intestinul-gros\">Ce este intestinul gros?<\/h2>\n<p>Intestinul gros, numit \u0219i colon, este partea final\u0103 a intestinelor \u0219i, \u00een general, a tractului digestiv. Se extinde de la valva ileocecal\u0103 (sau valva Bauhin, numele doctorului suedez care a descris-o \u00een secolul al \u0219aisprezecelea) p\u00e2n\u0103 la anus.<\/p>\n<p>&nbsp;<\/p>\n<p>Intestinul gros are trei segmente: cecumul, colonul \u0219i rectul. Cecumul este prima por\u021bie a colonului \u0219i este implicat\u0103 \u00een digestie. Colonul este o continuare a intestinului sub\u021bire \u0219i const\u0103 din aceste p\u0103r\u021bi: colonul ascendent, colonul transversal, colonul descendent\u0103 \u0219i cel sigmoid. Materialul trece prin aceste p\u0103r\u021bi \u0219i ajunge \u00een final \u00een rect. Rectul este ultima por\u021biune a intestinului \u0219i cea care duce spre exterior, prin orificiul anal. Din rect, de\u0219eurile sunt eliminate din corp. Func\u021bia intestinului gros este de a termina procesul de digestie, prin absorb\u021bia, fermentarea \u0219i evacuarea alimentelor ingerate.<\/p>\n<p>&nbsp;<\/p>\n<p>Fiind extensibil, cu o lungime total\u0103 de aproximativ 1,5 metri, intestinul gros este aranjat s\u0103 \u00eenconjoar\u0103 intestinul sub\u021bire, care este mai scurt \u00een lungime (7 metri), cu o grosime \u0219i o fixitate mai mare. \u00cen ceea ce prive\u0219te diametrul, intestinul gros prezint\u0103 o circumferin\u021b\u0103 de 28 cm, care se reduce treptat la 14 \u0219i apoi cre\u0219te din nou la 17 &#8211; 19 centimetri la nivelul primei por\u021biuni a rectului (ampula rectal\u0103). Apoi se \u00eengusteaz\u0103 \u00een ultima parte a rectului, \u00een canalul anal, partea din rect care comunic\u0103 cu exteriorul corpului \u0219i permite evacuarea de\u0219eurilor.<\/p>\n<p>&nbsp;<\/p>\n<p>Multe probleme \u0219i tulbur\u0103ri pot afecta capacitatea colonului de a func\u021biona corect. Acestea pot include gaze intestinale, diaree sau constipa\u021bie. Tulbur\u0103rile mai severe includ cancerul colorectal, colita ulcerativ\u0103, sindromul intestinului iritabil, diverticulita \u0219i polipii colonului. Solicitarea de asisten\u021b\u0103 medical\u0103 este esen\u021bial\u0103 pentru a fi verificat\u0103 cauza tulbur\u0103rii \u0219i a se determina cea mai adecvat\u0103 form\u0103 de tratament. Cele mai multe op\u021biuni de tratament tind s\u0103 depind\u0103 foarte mult de tulburarea \u00een cauz\u0103, de severitatea ei \u0219i de starea general\u0103 a persoanei afectate. Acestea pot include o diet\u0103 bine echilibrat\u0103 \u0219i luarea anumitor medicamente. \u00cen cazuri mai severe (cum ar fi cancerul), poate fi necesar\u0103 \u00eendep\u0103rtarea chirurgical\u0103 a intestinului gros.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"ce-functie-indeplineste-intestinul-gros\">Ce func\u021bie \u00eendepline\u0219te intestinul gros?<\/h2>\n<p>\u00cen general, func\u021bia intestinului gros este de a continua procesul de digestie care \u00eencepe \u00een gur\u0103 (ac\u021biune combinat\u0103 de masticare \u0219i salivare) \u0219i se continu\u0103 \u00een stomac (prin ac\u021biunea sucului gastric).<\/p>\n<p>&nbsp;<\/p>\n<p>Intestinul gros \u00eendepline\u0219te c\u00e2teva func\u021bii importante \u00een digestie.<\/p>\n<p>&nbsp;<\/p>\n<p>Principalele sale func\u021bii includ:<\/p>\n<p>&nbsp;<\/p>\n<p>Absorb\u021bie de ap\u0103 \u0219i electroli\u021bi<\/p>\n<p>Producerea de anticorpi<\/p>\n<p>Reducerea acidit\u0103\u021bii (bicarbonatul ajut\u0103 la neutralizarea acidit\u0103\u021bii rezultate din formarea acizilor gra\u0219i \u0219i a altor componente digestive)<\/p>\n<p>Protejarea corpului de infec\u021bii (bariera mucoasei func\u021bioneaz\u0103 ca o barier\u0103 protectoare)<\/p>\n<p>Realizarea descompunerii alimentelor \u0219i evacuarea acestora \u00een afara organismului<\/p>\n<p>&nbsp;<\/p>\n<p>Pe l\u00e2ng\u0103 \u00eencheierea procesului digestiv, intestinul gros mai \u0219i absoarbe substan\u021be specifice (cum ar fi sodiul \u0219i clorul), precum \u0219i substan\u021be nutritive (cum ar fi vitamina K \u0219i biotina), prin descompunerea florei bacteriene locale.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","Example":[1792],"class_list":["post-81252","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>Intestinul gros - 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=\"Intestinul gros - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Ce este intestinul gros? Intestinul gros, numit \u0219i colon, este partea final\u0103 a intestinelor \u0219i, \u00een general, a tractului digestiv. Se extinde de la valva ileocecal\u0103 (sau valva Bauhin, numele doctorului suedez care a descris-o \u00een secolul al \u0219aisprezecelea) p\u00e2n\u0103 la anus. &nbsp; Intestinul gros are trei segmente: cecumul, colonul \u0219i rectul. 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Intestinul gros, numit \u0219i colon, este partea final\u0103 a intestinelor \u0219i, \u00een general, a tractului digestiv. Se extinde de la valva ileocecal\u0103 (sau valva Bauhin, numele doctorului suedez care a descris-o \u00een secolul al \u0219aisprezecelea) p\u00e2n\u0103 la anus. &nbsp; Intestinul gros are trei segmente: cecumul, colonul \u0219i rectul. 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