Liver anatomy: location, lobes and function - Kenhub
2023年10月30日 · The porta hepatis is the central intraperitoneal fissure of the liver (in the visceral surface) that separates the caudate and the quadrate lobes. It is the entrance and exit point for several important structures including the portal vein, the hepatic arteries, the hepatic ducts, the hepatic nervous plexus and the lymphatic vessels.
Lobules of liver - Wikipedia
The hepatic lobule is a building block of the liver tissue, consisting of a portal triad, hepatocytes arranged in linear cords between a capillary network, and a central vein. Lobules are different from the lobes of liver: they are the smaller divisions of the lobes.
Hepatic portal system - Wikipedia
Roughly, the portal venous system corresponds to areas supplied by the celiac trunk, the superior mesenteric artery, and the inferior mesenteric artery. The portal venous system is responsible for directing blood from parts of the gastrointestinal tract to the liver.
The Liver - Lobes - Ligaments - Vasculature - TeachMeAnatomy
2024年4月20日 · Hepatic portal vein (75%) – supplies the liver with partially deoxygenated blood, carrying nutrients absorbed from the small intestine. This is the dominant blood supply to the liver parenchyma and allows the liver to perform its gut-related functions (such as detoxification).
Anatomy, Abdomen and Pelvis: Liver - StatPearls - NCBI Bookshelf
2022年11月26日 · The liver receives a dual blood supply, with 75% to 80% of the blood volume coming from the portal vein and 20% to 25% from the hepatic artery. The portal vein is formed from the superior mesenteric and splenic veins posterior to the neck of the pancreas.
Anatomy of the Liver | Functions of the Liver - Geeky Medics
2024年9月10日 · The portal triad consists of the hepatic artery, portal vein and common bile duct. These structures travel together towards the liver within the hepatoduodenal ligament (the lower free edge of the lesser omentum), and their branches enter its visceral posterior surface via the porta hepatis or ‘hilum’ of the liver.
Liver and gallbladder: Anatomy, location and functions - Kenhub
2023年8月8日 · The hepatic portal vein is responsible for 75 to 80% of the blood reaching the liver, bringing nutrients from the gastrointestinal tract for processing and metabolism. It is formed by the union of the splenic and superior mesenteric veins .
Liver histology: Structure, cells and characteristics | Kenhub
2023年8月8日 · Together with the bile duct, the hepatic portal vein and hepatic artery form the portal triad. Those structures supply blood to the sinusoids and the hepatocytes, subsequently draining into the central vein followed by the sublobular veins.
Liver Anatomy - PMC - PubMed Central (PMC)
In the presence of portal hypertension, the umbilical vein may recanalize to allow portasystemic collateralization through the abdominal wall, known as caput medusae. At the cranial aspect of the liver is a convex area along the diaphragmatic surface that is devoid of any ligamentous attachments or peritoneum.
Liver - Knowledge - AMBOSS
2024年2月5日 · Despite being deoxygenated, it still supplies the liver with about half its oxygen demands. As part of the liver's dual blood supply, the portal vein allows tissue to remain oxygenated and preserve function in the event of an obstructed hepatic artery.