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Related Concept Videos

Gross Anatomy of the Liver01:17

Gross Anatomy of the Liver

The liver, the largest gland within the human body, is a firm and reddish-brown organ. This wedge-shaped structure weighs approximately 1.5 kg and occupies a significant portion of the right hypochondriac and epigastric regions. It extends more to the right of the body's midline than to the left.
Located under the diaphragm, the liver is almost entirely ensconced within the rib cage, providing it with substantial protection. Except for the superior most bare area, the liver's surface is covered...
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...
Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
Patient...

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Related Experiment Video

Updated: Jul 2, 2026

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

Biliary Anatomy 2.0 Quiz: Test Your Knowledge.

Mateo Lendoire1, Harufumi Maki1, Antony Haddad1

  • 1Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 1484, Houston, TX, 77030, USA.

Journal of Gastrointestinal Surgery : Official Journal of the Society for Surgery of the Alimentary Tract
|April 20, 2023
PubMed
Summary
This summary is machine-generated.

Understanding biliary tract anatomy is crucial for various medical specialists, from surgeons to pathologists. Familiarity with its complex structure and common variations aids in performing procedures like cholecystectomy and managing challenging cases.

Keywords:
AnatomyBile ductsBiliary anatomyBiliary treeGallbladderQuestionnaireQuizTest

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

  • Medical Anatomy
  • Surgical Anatomy

Background:

  • The biliary tract, extending from the liver to the duodenum, requires broad medical understanding.
  • Knowledge of biliary anatomy is essential for hepatobiliary surgeons, general gastrointestinal surgeons, gastroenterologists, radiologists, and pathologists.
  • Variations in biliary anatomy are clinically significant.

Purpose of the Study:

  • To provide a comprehensive understanding of biliary anatomy.
  • To enhance appreciation for the complexity of the biliary tract.
  • To address key questions regarding biliary anatomy and its clinical relevance.

Main Methods:

  • This study is a review and synthesis of existing knowledge on biliary anatomy.
  • It focuses on answering specific questions to elucidate complex anatomical details.
  • The content is aimed at educating physicians on standard and variant biliary anatomy.

Main Results:

  • The biliary tract involves intricate anatomical structures crucial for digestive function.
  • Common procedures like cholecystectomy and complex surgeries for hilar cholangiocarcinoma highlight the importance of anatomical precision.
  • Understanding anatomical variants is key to successful surgical outcomes and accurate diagnosis.

Conclusions:

  • A thorough grasp of biliary anatomy is fundamental for a wide range of medical professionals.
  • Familiarity with biliary anatomy and its variants improves patient care and surgical success rates.
  • This knowledge is vital for both common procedures and highly complex surgical interventions.