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.
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.
Portal Triad: Essential Structures and Associated Diseases
2024年9月17日 · The portal triad offers sufficient blood supply to the liver. In addition, it also increases bile flow from the gallbladder to the lumen of the duodenum. The portal vein provides about 75% of the liver’s blood supply. A leftover 25% …
Anatomy, Abdomen and Pelvis: Liver - StatPearls - NCBI Bookshelf
2022年11月26日 · Within the portal triad and associated branches, the bile leaves the liver in the bile ducts while the portal vein and hepatic artery are delivering blood to the liver; this creates countercurrent flow, which allows for the optimized exchange of …
Liver Structure and Function - Liver Structure and Function
Overview of liver structure. At the cellular level, portal triads consist of adjacent and parallel terminal branches of bile ducts, portal veins, and hepatic arteries that border the hepatocytes. Terminal branches of the hepatic veins are in the center of hepatic lobules.
The Liver - Lobes - Ligaments - Vasculature - TeachMeAnatomy
2024年4月20日 · At the periphery of the hexagon are three structures collectively known as the portal triad: Arteriole – a branch of the hepatic artery entering the liver. Venule – a branch of the hepatic portal vein entering the liver. Bile duct – branch of the bile duct leaving the liver.
The liver - PMC - PubMed Central (PMC)
The liver is composed of several cell types of different embryological origin including hepatocytes, biliary epithelial cells (cholangiocytes), stellate cells, Kupffer cells, and liver sinusoidal endothelial cells. Each of these cell types possesses unique functions that cooperatively regulate hepatic function at multiple levels.
Anatomy of the Liver | Functions of the Liver - Geeky Medics
2024年9月10日 · The lesser omentum is another double-layered sheet of peritoneum which extends downwards, connecting the liver to the stomach and the first part of the duodenum. Its lower free edge is called the hepatoduodenal ligament and contains the portal triad, hepatic nerve plexus and lymphatics.
The liver, a functionalized vascular structure - PMC
The hepatic artery provides oxygenated blood to the liver, while the portal vein brings deoxygenated blood; the two mix in the sinusoids. The sinusoids are uniformly distributed throughout the entire liver volume, and constitute the hepatic microcirculation.
Hepatic Circulation - Special Circulations - TeachMePhysiology
2023年7月16日 · The liver is made up of lobules that consist of a central vein and a portal triad. The portal triad consists of: Arteriole (branch of the hepatic artery) Venule (branch of the portal vein) Bile ductule (branch of the bile duct) Lymphatic vessels. Branch of …
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