{"id":50482,"date":"2018-05-16T12:44:53","date_gmt":"2018-05-16T12:44:53","guid":{"rendered":"https:\/\/www.humanitas.net\/?post_type=wiki&p=50482"},"modified":"2018-05-16T12:44:53","modified_gmt":"2018-05-16T12:44:53","slug":"pancreasul","status":"publish","type":"wiki","link":"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/pancreasul\/","title":{"rendered":"Pancreasul"},"content":{"rendered":"

Ce este pancreasul?<\/h2>\n

Pancreasul este o gland\u0103, \u00een forma unui con alungit, \u0219i face parte din sistemul digestiv. Este implicat \u00een secre\u021bia endocrin\u0103 (proces care implic\u0103 secre\u021bia de produse, hormoni, direct \u00een s\u00e2nge) precum \u0219i secre\u021bia exocrin\u0103 (proces \u00een care produsele sunt plasate \u00eentr-o cavitate natural\u0103 din corp sau eliberate \u00een exterior). Aproape pozi\u021bionat pe orizontal\u0103, pancreasul este situat \u00een abdomenul superior \u0219i transversal \u00een spatele stomacului, la nivelul primelor dou\u0103 vertebre lombare.<\/p>\n

 <\/p>\n

Pancreasul este o gland\u0103 responsabil\u0103 de secre\u021bia endocrin\u0103 \u0219i exocrin\u0103. Are aproximativ 15 centimetri lungime \u0219i o greutate \u00eentre 70 \u0219i 80 de grame. Se compune din patru p\u0103r\u021bi: cap, g\u00e2t, corp \u0219i coad\u0103. Capul, care reprezint\u0103 por\u021biunea ini\u021bial\u0103, mai voluminoas\u0103, este \u00eenconjurat de bucla duodenal\u0103 \u0219i are o extensie \u00een form\u0103 de c\u00e2rlig (cunoscut\u0103 sub numele de pancreas uncinat). G\u00e2tul pancreasului, identificabil datorit\u0103 cap\u0103tului s\u0103u \u00eengust \u0219i sub\u021bire, face leg\u0103tura \u00eentre corpul \u0219i capul pancreasului. Corpul pancreasului este recunoscut cel mai adesea ca f\u0103c\u00e2nd parte din g\u00e2t \u0219i m\u0103soar\u0103 6,8 centimetri. \u00cen cele din urm\u0103, coada, care este partea final\u0103 \u0219i mai sub\u021bire a pancreasului, face leg\u0103tura direct cu splina.<\/p>\n

 <\/p>\n

Pancreasul are dou\u0103 canale principale: ductul pancreatic principal (Wirsung) \u0219i ductul pancreatic auxiliar (Santorini). Ductul auxiliar se dreneaz\u0103 \u00een duoden, prin papila duodenal\u0103 minor\u0103, \u00een timp ce ductul\u00a0 principal se dreneaz\u0103 \u00een duoden prin papila duodenal\u0103 major\u0103. Principala lor sarcin\u0103 este de a transporta sucul pancreatic, un lichid format dintr-un set de enzime (lipaz\u0103, amilaz\u0103 etc.), esen\u021biale pentru digestie, de la pancreas la intestin.<\/p>\n

 <\/p>\n

\u00cen interiorul pancreasului, insulele pancreatice sunt \u00eempr\u0103\u0219tiate. Ele sunt structuri endocrine, responsabile de producerea \u0219i secre\u021bia de diferi\u021bi hormoni (cum sunt insulina \u0219i glucagonul) \u0219i joac\u0103 un rol fundamental \u00een contribu\u021bia la controlul nivelurilor de glucoz\u0103 din s\u00e2nge.<\/p>\n

 <\/p>\n

 <\/p>\n

Ce func\u021bie \u00eendepline\u0219te pancreasul?<\/h2>\n

Pancreasul are dou\u0103 func\u021bii principale: secre\u021bia exocrin\u0103 \u0219i secre\u021bia endocrin\u0103. Cea exocrin\u0103 este indispensabil\u0103 pentru procesarea digestiv\u0103 a alimentelor \u0219i esen\u021bial\u0103 pentru func\u021bionarea sistemului digestiv; secre\u021bia endocrin\u0103 este implicat\u0103 \u00een func\u021bionarea sistemului endocrin.<\/p>\n

 <\/p>\n

Secre\u021bia exocrin\u0103, esen\u021bial\u0103 pentru procesarea alimentelor consumate, se realizeaz\u0103 prin structuri mici, cunoscute sub numele de acini glandulari, care sunt secretate \u00een intestin \u0219i se vars\u0103 prin ductul Wirsung. Produsul final \u00een secre\u021bia exocrin\u0103 este sucul pancreatic, un lichid format dintr-un set de enzime (lipaza, amilaza, etc.) esen\u021biale pentru digestie.<\/p>\n

 <\/p>\n

 <\/p>\n

Secre\u021bia endocrin\u0103 se realizeaz\u0103 prin celule endocrine grupate \u00een insulele Langerhans. Celulele endocrine sunt \u00eemp\u0103r\u021bite \u00een celule alfa, celule beta \u0219i celule delta. Celulele alfa sunt implicate \u00een secre\u021bia de glucagon (hormonul hiperglicemic); celulele beta sunt implicate \u00een secre\u021bia de insulin\u0103 (hormonul hipoglicemic); \u0219i, la final, celulele delta sunt implicate \u00een secretarea hormonului somatostatin\u0103, prin care poate fi monitorizat\u0103 activitatea celulelor<\/p>\n","protected":false},"author":11,"featured_media":0,"template":"","wiki-categories":[1691],"wiki-types":[],"yoast_head":"\nPancreasul - 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\/pancreasul\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pancreasul - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Ce este pancreasul? 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