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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...
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...
CNS Depressants: Alcohol and Nicotine01:27

CNS Depressants: Alcohol and Nicotine

Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
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...
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.
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Cirrhosis I: Introduction01:23

Cirrhosis I: Introduction

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Related Experiment Video

Updated: Jun 20, 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

[Alcohol and the liver].

P Mathurin1

  • 1Service des Maladies de l'Appareil Digestif, Hôpital Claude-Huriez, CHRU, 59000 Lille, France. p-mathurin@chru-lille.fr

Gastroenterologie Clinique Et Biologique
|September 5, 2009
PubMed
Summary
This summary is machine-generated.

Daily alcohol consumption above 25-30g increases the risk of alcohol-induced liver injury, with heavy drinking leading to cirrhosis, a major cause of alcohol-related death. Excess weight is also a risk factor for alcoholic liver disease.

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Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
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Last Updated: Jun 20, 2026

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

Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
05:12

Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder

Published on: June 23, 2023

Area of Science:

  • Hepatology
  • Toxicology
  • Oncology

Context:

  • Alcohol consumption poses significant health risks, including liver injury, cirrhosis, and various cancers.
  • A dose-dependent relationship exists between alcohol intake and liver damage, particularly above a daily threshold of 25-30g.
  • Excess weight exacerbates the risk of developing alcoholic liver disease.

Purpose:

  • To summarize the established risks of alcohol consumption on liver health and cancer development.
  • To outline current treatment strategies for severe alcoholic hepatitis and cirrhosis.
  • To highlight emerging non-invasive methods for cirrhosis screening in heavy drinkers.

Summary:

  • Alcohol-induced liver injury risk increases significantly with daily consumption exceeding 25-30g.
  • Cirrhosis is the leading cause of alcohol-related mortality, often linked to heavy drinking, alcoholic hepatitis, or steatosis.
  • Alcohol is a known carcinogen for mouth, oropharynx, esophageal, and breast cancers.
  • Corticosteroids offer short-term survival benefits for severe alcoholic hepatitis, with the Lille model predicting non-responders.
  • Liver transplantation is reserved for severe cirrhotic patients who achieve abstinence.

Impact:

  • Establishes clear thresholds for alcohol-induced liver injury and identifies key risk factors.
  • Provides an overview of current therapeutic interventions and their limitations.
  • Underscores the importance of screening and the potential of new non-invasive diagnostic tools for early detection of liver disease.