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This is an accepted version of this page This is the latest accepted revision, reviewed on 9 December 2024. Organ in humans and other vertebrates Gallbladder Diagram of human gallbladder The gallbladder sits beneath the liver Details Precursor Foregut System Digestive system Artery Cystic artery Vein Cystic vein Nerve Celiac ganglia, vagus nerve Identifiers Latin vesica biliaris, vesica fellea ...
The biliary tract (also biliary tree or biliary system) refers to the liver, gallbladder and bile ducts, and how they work together to make, store and secrete bile. [1] Bile consists of water, electrolytes , bile acids , cholesterol , phospholipids and conjugated bilirubin . [ 2 ]
The bile duct is some 6–8 cm long, and normally up to 8 mm in diameter. [4]Its proximal supraduodenal part is situated within the free edge of the lesser omentum.Its middle retroduodenal part is oriented inferiorly and right-ward, and is situated posterior to the first part of the duodenum, and anterior to the inferior vena cava.
The biliary tree (see below) is the whole network of various sized ducts branching through the liver.. The path is as follows: bile canaliculi → canals of Hering → interlobular bile ducts → intrahepatic bile ducts → left and right hepatic ducts merge to form → common hepatic duct exits liver and joins → cystic duct (from gall bladder) forming → common bile duct → joins with ...
The increased pressure in the gallbladder leads to swelling and pain. This pain, known as biliary colic, is sometimes referred to as a gallbladder "attack" because of its sudden onset. During a cholecystectomy, the cystic duct is clipped two or three times and a cut is made between the clips, freeing the gallbladder to be taken out.
The common hepatic duct is the first part of the biliary tract. [2] It is formed by the union of the right hepatic duct (which drains bile from the right functional lobe of the liver) and the left hepatic duct (which drains bile from the left functional lobe of the liver). [3] The duct is about 3 cm long. [4]
Gallbladder 10–11. Right and left lobes of liver 12. Spleen 13. Esophagus 14. Stomach 15. Pancreas: 16. Accessory pancreatic duct 17. Pancreatic duct 18. Small intestine: 19. Duodenum 20. Jejunum 21–22. Right and left kidneys The front border of the liver has been lifted up (brown arrow). [2]
Intrahepatic bile ducts compose the outflow system of exocrine bile product from the liver. They can be divided into: [2] Lobar ducts (right and left hepatic ducts) - stratified columnar epithelium. Interlobar ducts (between the main hepatic ducts and the interlobular ducts) - pseudostratified columnar epithelium.