Biliary tract (original) (raw)
Το χοληφόρο δέντρο, ή δίκτυο των χοληφόρων, είναι το δίκτυο των χοληφόρων αγγείων μέσα στο οποίο ρέει η χολή. Από άποψη εμβρυολογίας, προέρχεται από το αρχέγονο έντερο και σχηματίζεται μαζί με το ήπαρ. Το χοληφόρο δέντρο αποτελείται από τα ενδοηπατικά και τα εξωηπατικά χοληφόρα.
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| dbo:abstract | الجهاز الصفراوي (السبيل الصفراوي أو الشجرة الصفراوية) يتكون من الكبد والمرارة وقناة المرارة، حيث يعمل بشكلٌ متكامل لتخزين وإفراز الصفراء، والتي تتكون من الماء والكهارل (الصوديوم والبوتاسيوم إلخ ... الموجودة في الدم) والأحماض الصفراوية والكوليسترول والدهون الفوسفورية والبيليروبين المقترن حيث تصنع بعض هذه المكونات الخلايا الكبدية وتستخرج بعضها الآخر من الدم. تفرز الكبد الصفراء داخل قنوات صغيرة تتجمع لتكون القناة الكبدية المشتركة. وفي فترة ما بين الوجبات، تخزن الصفراء المفرزة من الكبد في المرارة حيث يتم امتصاص ما نسبته 80-90٪ من المياه والكهارل من الصفراء المخزنة ليتبقى من المكونات الأحماض الصفراوية والكوليسترول فقط. وأثناء تناول الطعام تبدأ الألياف العضلية الملساء في جدار المرارة بالانقباض لتؤدي إلى إفراز الصفراء داخل الاثنا عشر. (ar) Žlučové cesty jsou souhrnným názvem pro soustavu dutých orgánů, které odvádějí žluč z jater do dvanáctníku, počátečního úseku tenkého střeva. Začínají v tkáni jater jako tzv. , postupně se spojují do žlučovodů většího a většího průměru a spojují se v jediný hlavní žlučovod, který ústí do střeva. Tvoří tak žlučový strom. Žlučník napojený na žlučovody slouží jako rezervoár a úpravna žluči v době mezi jídly. Výstelka žlučovodů je tvořena specializovanými buňkami, . Jsou to polyedrické buňky, v malých žlučovodech kuboidální, ve žlučovodech většího rozměru cylindrické, opatřené na apikální straně mikroklky, jádra jsou umístěna bazálně. Jedná se o buňky funkčně heterogenní, v různých částech žlučových cest mají odlišné vlastnosti. Žlučovody nejsou jen pasivní tranzitní oblastí, žluč je v nich dále upravována, je zde ze žluči resorbována glukóza a aminokyseliny a žluč je obohacována o HCO3−. Ve žlučovodech většího průměru jsou také četné hlenové žlázy a hlen těchto žláz tvoří důležitou součást žluči. (cs) Το χοληφόρο δέντρο, ή δίκτυο των χοληφόρων, είναι το δίκτυο των χοληφόρων αγγείων μέσα στο οποίο ρέει η χολή. Από άποψη εμβρυολογίας, προέρχεται από το αρχέγονο έντερο και σχηματίζεται μαζί με το ήπαρ. Το χοληφόρο δέντρο αποτελείται από τα ενδοηπατικά και τα εξωηπατικά χοληφόρα. (el) The biliary tract, (biliary tree or biliary system) refers to the liver, gallbladder and bile ducts, and how they work together to make, store and secrete bile. Bile consists of water, electrolytes, bile acids, cholesterol, phospholipids and conjugated bilirubin. Some components are synthesized by hepatocytes (liver cells), the rest are extracted from the blood by the liver. Bile is secreted by the liver into small ducts that join to form the common hepatic duct. Between meals, secreted bile is stored in the gallbladder. During a meal, the bile is secreted into the duodenum (part of the small intestine) to rid the body of waste stored in the bile as well as aid in the absorption of dietary fats and oils. (en) 쓸개길 또는 담도(膽道,Bile ducts)는 간과 쓸개에서 쓸개즙을 받아 십이지장(샘창자)로 보내는 관을 통틀어 이르는 말이다. 간관, 쓸개주머니관, 온쓸개관등으로 이루어져 있다.한편 쓸개즙은 간에서 생성되며 간에 뿌리같이 뻗어있는 미세관들로 이루어진 담도(간관)와 총수 담관을 통해 일반적으로 쓸개에 모여 저장되어 얼마 뒤 십이지장으로 분비된다. 쓸개 여부등의 상황에 따라 간관을 통한 직접적인 분비도 가능하다. (ko) Vias biliares, trato biliar ou árvore biliar, é o termo médico para referir-se ao sistema responsável por produzir, armazenar e secretar bile. É composto pelos ductos hepáticos, ducto cístico, ducto biliar comum e a vesícula biliar. A bile consiste em água, eletrólitos, ácido biliar, colesterol, fosfolipídios e bilirrubina conjugada. Alguns componentes são sintetizados pelos hepatócitos (células do fígado) e o restante é filtrado do sangue pelo fígado. A bile é secretada pelo fígado em pequenos ductos que se juntam para formar o ducto hepático comum. Entre as refeições, a bile secretada é armazenada na vesícula biliar. Durante uma refeição, a bile é secretada no duodeno para livrar o corpo dos resíduos armazenados na bile, além de ajudar na absorção de gorduras. (pt) |
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| dbp:caption | Ducts of the biliary tract (en) |
| dbp:function | Facilitate movement of bile, which aids in fat absorption (en) |
| dbp:name | Biliary tract (en) |
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| dct:subject | dbc:Hepatology |
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| rdfs:comment | Το χοληφόρο δέντρο, ή δίκτυο των χοληφόρων, είναι το δίκτυο των χοληφόρων αγγείων μέσα στο οποίο ρέει η χολή. Από άποψη εμβρυολογίας, προέρχεται από το αρχέγονο έντερο και σχηματίζεται μαζί με το ήπαρ. Το χοληφόρο δέντρο αποτελείται από τα ενδοηπατικά και τα εξωηπατικά χοληφόρα. (el) 쓸개길 또는 담도(膽道,Bile ducts)는 간과 쓸개에서 쓸개즙을 받아 십이지장(샘창자)로 보내는 관을 통틀어 이르는 말이다. 간관, 쓸개주머니관, 온쓸개관등으로 이루어져 있다.한편 쓸개즙은 간에서 생성되며 간에 뿌리같이 뻗어있는 미세관들로 이루어진 담도(간관)와 총수 담관을 통해 일반적으로 쓸개에 모여 저장되어 얼마 뒤 십이지장으로 분비된다. 쓸개 여부등의 상황에 따라 간관을 통한 직접적인 분비도 가능하다. (ko) الجهاز الصفراوي (السبيل الصفراوي أو الشجرة الصفراوية) يتكون من الكبد والمرارة وقناة المرارة، حيث يعمل بشكلٌ متكامل لتخزين وإفراز الصفراء، والتي تتكون من الماء والكهارل (الصوديوم والبوتاسيوم إلخ ... الموجودة في الدم) والأحماض الصفراوية والكوليسترول والدهون الفوسفورية والبيليروبين المقترن حيث تصنع بعض هذه المكونات الخلايا الكبدية وتستخرج بعضها الآخر من الدم. (ar) Žlučové cesty jsou souhrnným názvem pro soustavu dutých orgánů, které odvádějí žluč z jater do dvanáctníku, počátečního úseku tenkého střeva. Začínají v tkáni jater jako tzv. , postupně se spojují do žlučovodů většího a většího průměru a spojují se v jediný hlavní žlučovod, který ústí do střeva. Tvoří tak žlučový strom. Žlučník napojený na žlučovody slouží jako rezervoár a úpravna žluči v době mezi jídly. (cs) The biliary tract, (biliary tree or biliary system) refers to the liver, gallbladder and bile ducts, and how they work together to make, store and secrete bile. Bile consists of water, electrolytes, bile acids, cholesterol, phospholipids and conjugated bilirubin. Some components are synthesized by hepatocytes (liver cells), the rest are extracted from the blood by the liver. (en) Vias biliares, trato biliar ou árvore biliar, é o termo médico para referir-se ao sistema responsável por produzir, armazenar e secretar bile. É composto pelos ductos hepáticos, ducto cístico, ducto biliar comum e a vesícula biliar. A bile consiste em água, eletrólitos, ácido biliar, colesterol, fosfolipídios e bilirrubina conjugada. Alguns componentes são sintetizados pelos hepatócitos (células do fígado) e o restante é filtrado do sangue pelo fígado. (pt) |
| rdfs:label | Biliary tract (en) جهاز صفراوي (ar) Žlučové cesty (cs) Χοληφόρο δέντρο (el) 쓸개길 (ko) Via biliar (pt) |
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