right lobe of liver. Die Vena portae, oder deutsch Pfortader, ist das Portalgefäß, das sauerstoffarmes, nährstoffreiches Blut in die Leber transportiert.. Vena portae iecoris ex apparatu digestorio et glandulis eius sanguinem aufert et ad iecur vehit. Antequam haec vena in portam iecoris intrat, se in duos ramos (dexterum ac sinistrum) dividit. It may also anastomose with the cystic and gastric veins.The hepatic portal vein provides around 70% of blood supply to the liver (the hepatic arteries provide the rest). It is typically 8 centimeters long in adults. This page includes the following topics and synonyms: Portal Vein Thrombosis. portální jaterní oběh, představuje funkční složku oběhu jater.Jeho hlavní součást tvoří cca 8 cm dlouhý kmen vena portae, který vzniká za hlavou pankreatu soutokem v. mesenterica superior et v. splenica (lienalis). In some individuals, the inferior mesenteric vein may enter this intersection instead.In most people, the portal vein splits into left and right veins before entering the liver. The right vein then branches off into anterior and superior veins.The portal vein supplies approximately 75 percent of blood flow to the liver. Once there, the liver can process the nutrients from the blood and filter out any toxic substances it contains before the blood goes back into general circulation. Anatomical hierarchy.
The portal vein is responsible for carrying blood from the GI tract, gallbladder, pancreas, and spleen to the liver. 1 Definition. Healthline Media does not provide medical advice, diagnosis, or treatment. It is approximately three to four inches in length and is usually formed by the merging of the superior mesenteric and splenic veins behind the upper edge of the head of the pancreas. Vena portae sive vena portarum est maxima vena systematis venarum portalium, quae ab unione venae splenicae et venarum mesentericarum superioris et inferioris formatur. They also transport blood that has been drained from the colon, READ MORE. Vena porta ili portalna vena jetre (lat.
It is typically 8 centimeters long in adults. The portal vein or hepatic portal vein (Latin: vena portae hepatis) is located in the upper right quadrant of the abdomen. A vena portae a páratlan hasűri szervek vénás vérét gyűjti, ez elsősorban a tápcsatornát, így a gyomrot, vékonybeleket és a vastagbelet (kivéve a végbél alsó kétharmadát) foglalja magába, de a hasnyálmirigy és lép vénás vére is a vena portaeba ömlik. All rights reserved. Die Hypophysenpfortader wird unter Venae portales hypophysiales besprochen.. 2 Verlauf. These blood vessels eventually empty into hepatic sinusoids to supply blood to the liver.After the blood is processed by the main functional liver cells (hepatocytes), the blood is collected by the at the core of each lobule. vena portae hepatis) je velika vena koja dovodi krv iz organa za varenje u jetru.Jetra ima dva aferentna krvna sistema (venu portu i arteriju jetre) i jedan eferentni krvotok (jetrene (hepatične) vene ). General terms > Angiology > Veins > Caudal vena cava > Portal vein Anatomical children. ) is located in the upper right quadrant of the abdomen. vet-Anatomy is a veterinary atlas of anatomy based on veterinary imaging (MRI, CT, X-Rays) and medical illustrations, designed and created by professional anatomists and veterinary imaging specialists. The portal vein is responsible for carrying blood from the GI tract, gallbladder, pancreas, and spleen to the liver.The hepatic portal vein originates behind the neck of the pancreas and is usually formed by the convergence of the , referred to as the splenic-mesenteric confluence.Sometimes the hepatic portal vein also directly joins with the inferior mesenteric vein. Our website services, content, and products are for informational purposes only. Abnormally high blood pressure in the portal vein is known as © 2005-2020 Healthline Media a Red Ventures Company. Together with a common bile duct, the portal venule and hepatic arteriole create the . It enters the liver via the porta hepatis, which also serves as the entry point for the proper hepatic artery, and the point of exit for the bile passages.Before reaching the liver, the hepatic portal vein divides into the , with each side further splitting into venous branches and into , which travel along hepatic arterioles within the connective tissue between the liver lobules. Portální oběh, resp. Portal vein - Vena portae. The hepatic veins carry oxygen-depleted blood from the liver to the inferior vena cava.
The portal vein is not a true vein, which means it does not drain into the heart. The blood from these central veins is ultimately collected by short , just before the inferior vena cava penetrates the diaphragm and enters the right atrium of the heart. Instead, it brings nutrient-rich blood to the liver from the gastrointestinal tract and spleen.
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