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Related Concept Videos

Diseases of the Liver and Gallbladder01:26

Diseases of the Liver and Gallbladder

Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...
Cirrhosis I: Introduction01:23

Cirrhosis I: Introduction

Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
Cirrhosis II: Pathophysiology01:24

Cirrhosis II: Pathophysiology

Cirrhosis is a progressive chronic liver injury caused by prolonged inflammation, excessive fibrotic remodeling, and impaired regeneration. Over time, repeated hepatic insults disrupt the liver’s architecture and function, leading to reduced blood flow, impaired bile drainage, and diminished metabolic capacity.Pathophysiology of cirrhosisCirrhosis arises from three main responses to chronic liver damage: inflammation, immune activation, and hepatocyte death. These processes lead to structural...
Chronic Pancreatitis II: Pathophysiology01:21

Chronic Pancreatitis II: Pathophysiology

Chronic pancreatitis is a progressive and irreversible inflammation of the pancreas, most often caused by long-term alcohol abuse, but it can also be related to ductal obstruction, smoking, or genetic factors.Chronic pancreatitis occurs when the pancreas is repeatedly exposed to harmful agents like alcohol, smoking, ductal obstruction, or genetic predisposition. These factors lead to the release of toxic metabolites and inflammatory cytokines, sustaining chronic inflammation in the pancreatic...
Hepatic Encephalopathy01:29

Hepatic Encephalopathy

DefinitionHepatic encephalopathy is a reversible neurologic syndrome that results from advanced liver dysfunction or portosystemic shunting. It leads to disturbances in cognition, behavior, and motor function due to the brain’s exposure to gut-derived toxins that the liver fails to detoxify.EtiologyThis condition develops either in the setting of acute fulminant hepatitis or progressively during chronic liver disease, such as cirrhosis and portal hypertension. Portosystemic shunting—including...
Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test01:22

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess the...

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Related Experiment Video

Updated: May 9, 2026

Histological Analyses of Acute Alcoholic Liver Injury in Zebrafish
10:45

Histological Analyses of Acute Alcoholic Liver Injury in Zebrafish

Published on: May 25, 2017

Alcoholic liver disease.

Steven M Penny1

  • 1Johnston Community College, Smithfield, North Carolina, USA.

Radiologic Technology
|July 18, 2013
PubMed
Summary
This summary is machine-generated.

Alcohol abuse causes 100,000 deaths annually in the US and is a leading global health issue. This review covers alcoholic liver disease, its progression to cirrhosis, and treatment options.

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Development of an Ethanol-induced Fibrotic Liver Model in Zebrafish to Study Progenitor Cell-mediated Hepatocyte Regeneration
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Last Updated: May 9, 2026

Histological Analyses of Acute Alcoholic Liver Injury in Zebrafish
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Published on: May 25, 2017

Development of an Ethanol-induced Fibrotic Liver Model in Zebrafish to Study Progenitor Cell-mediated Hepatocyte Regeneration
10:42

Development of an Ethanol-induced Fibrotic Liver Model in Zebrafish to Study Progenitor Cell-mediated Hepatocyte Regeneration

Published on: May 13, 2016

Area of Science:

  • Hepatology
  • Gastroenterology
  • Public Health

Background:

  • Alcohol abuse is a major cause of preventable death and disease globally.
  • Alcoholic liver disease (ALD) progressively damages liver function.
  • Cirrhosis, the end stage of ALD, results in severe liver scarring and dysfunction.

Purpose of the Study:

  • To review the clinical manifestations of alcoholic liver disease and cirrhosis.
  • To discuss imaging considerations for diagnosing ALD and cirrhosis.
  • To outline current treatment strategies for patients with ALD.

Main Methods:

  • Literature review of studies on alcoholic liver disease.
  • Analysis of clinical data related to ALD and cirrhosis.
  • Synthesis of information on liver function, hemodynamics, and alcohol's effects.

Main Results:

  • ALD is a significant contributor to liver disease burden and mortality.
  • Cirrhosis represents irreversible liver damage from chronic alcohol abuse.
  • Early diagnosis and intervention are crucial for managing ALD.

Conclusions:

  • Alcoholic liver disease encompasses a spectrum of conditions from fatty liver to cirrhosis.
  • Comprehensive management involves addressing alcohol cessation, nutritional support, and potential liver transplantation.
  • Understanding the pathophysiology and clinical course of ALD is vital for effective patient care.