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Related Concept Videos

Liver Histology01:27

Liver Histology

The microscopic anatomy of the liver is a complex and intricate system that comprises numerous structural units known as liver lobules, each of which is comparable in size to a sesame seed. These hexagonal structures consist of plates of liver cells or hepatocytes, which are characterized by their versatility and abundance of cellular apparatus like rough and smooth ER, Golgi apparatus, peroxisomes, and mitochondria.
Hepatocytes perform a variety of essential functions. They secrete...
Bile01:19

Bile

Bile is a crucial bodily fluid, characterized by its yellow-green color and alkaline nature. Produced in the liver, it is transported through the common hepatic duct into either the cystic duct, leading to the gallbladder, or directly into the common bile duct. The flow of bile is regulated by the sphincter of Oddi located at the entrance of the duodenum. When this sphincter is closed, bile is redirected to the gallbladder for storage and concentration.
Bile is released when dietary fats enter...
Gallbladder01:17

Gallbladder

The gallbladder is a small, pear-shaped organ that plays a crucial role in our digestive system. Measuring about 10 cm in length, it is comparable in size to a kiwi fruit and is located in a hollow area on the lower surface of the liver. The gallbladder's primary function is to store and concentrate bile, a fluid produced by the liver that aids in digestion.
The gallbladder's anatomy consists of three regions: the fundus, body, and neck. Extending from the neck, the cystic duct joins the common...
Liver Physiology01:30

Liver Physiology

The liver, an essential organ in the human body, performs over 200 vital functions that can be broadly categorized into metabolic, hematological, endocrine regulation, and bile production.
Metabolic Regulation:
The liver is the central organ involved in regulating blood composition. It stabilizes blood glucose levels, maintaining them within the range of  70–110 mg/dL. When these levels drop, the liver breaks down glycogen reserves and releases glucose into the bloodstream. It can also...
Hepatic Drug Excretion: Influencing Factors01:16

Hepatic Drug Excretion: Influencing Factors

The biliary system of the liver, crucial for bile secretion and drug excretion, comprises intrahepatic bile ducts that merge to form the common hepatic duct. This duct, carrying hepatic bile, combines with the cystic duct, draining the gallbladder and forming the common bile duct, which empties into the duodenum. Bile, produced by hepatic cells lining the bile canaliculi, is composed primarily of water, bile salts, pigments, electrolytes, and lesser amounts of cholesterol and fatty acids. Bile...
Cholecystitis01:20

Cholecystitis

Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...

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Related Experiment Video

Updated: Jun 28, 2026

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
08:42

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport

Published on: November 27, 2016

Biliary tract physiology.

R T Prall1, N F Larusso

  • 1Division of Gastroenterology and Hepatology, Center for Basic Research in Gastrointestinal Disease, Mayo Medical School, Clinic, and Foundation, Rochester, Minnesota 55905, USA.

Current Opinion in Gastroenterology
|October 13, 2006
PubMed
Summary
This summary is machine-generated.

Cholangiocytes (bile duct cells) are key to bile formation. Recent research clarifies how these cells interact with bile acids and other factors, advancing our understanding of biliary diseases.

More Related Videos

Using a Whole-mount Immunohistochemical Method to Study the Innervation of the Biliary Tract in Suncus murinus
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Using a Whole-mount Immunohistochemical Method to Study the Innervation of the Biliary Tract in Suncus murinus

Published on: June 15, 2017

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
07:44

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction

Published on: March 25, 2022

Related Experiment Videos

Last Updated: Jun 28, 2026

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
08:42

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport

Published on: November 27, 2016

Using a Whole-mount Immunohistochemical Method to Study the Innervation of the Biliary Tract in Suncus murinus
07:23

Using a Whole-mount Immunohistochemical Method to Study the Innervation of the Biliary Tract in Suncus murinus

Published on: June 15, 2017

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
07:44

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction

Published on: March 25, 2022

Area of Science:

  • Hepatobiliary physiology
  • Cellular biology
  • Gastroenterology

Background:

  • Cholangiocytes, lining bile ducts, play a crucial role in bile formation.
  • Bile duct cells are increasingly recognized as active modulators of bile composition and flow.
  • Understanding biliary epithelia is vital for comprehending liver function and disease.

Purpose of the Study:

  • To review recent advances in cholangiocyte function and bile formation.
  • To highlight new insights into the regulation of biliary physiology.
  • To discuss the role of cholangiocytes in normal and pathological conditions, including cholestasis.

Main Methods:

  • Review of recent scientific literature and comprehensive reviews.
  • Analysis of new experimental models for studying biliary physiology.
  • Integration of findings on cellular transport, endocrine, paracrine, and neurologic regulation.

Main Results:

  • Significant progress in understanding fluid, electrolyte, and solute transport by biliary epithelia.
  • Enhanced knowledge of factors regulating bile formation.
  • New insights into the interaction between bile acids and cholangiocytes in normal and cholestatic states.
  • Greater understanding of pathogenic mechanisms in biliary diseases.

Conclusions:

  • Cholangiocytes are central to bile formation and its regulation.
  • Recent research has significantly advanced the understanding of biliary physiology and disease mechanisms.
  • New experimental approaches are facilitating further discoveries in the field.