Related Experiment Video

Updated: Aug 15, 2026

Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique
13:10

Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique

Published on: May 15, 2013

[Bronchial and pulmonary diseases in workers exposed to irritant gases]

A A Penknovich, A V Litovskaia, A A Penknovich

    Meditsina Truda I Promyshlennaia Ekologiia
    |November 1, 2001
    PubMed

    More Related Videos

    Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure08:17

    Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure

    Published on: August 25, 2017

    An Air-liquid Interface Bronchial Epithelial Model for Realistic, Repeated Inhalation Exposure to Airborne Particles for Toxicity Testing09:29

    An Air-liquid Interface Bronchial Epithelial Model for Realistic, Repeated Inhalation Exposure to Airborne Particles for Toxicity Testing

    Published on: May 13, 2020

    Related Concept Videos

    Pulmonary Cycle: Exhalation01:17

    Pulmonary Cycle: Exhalation

    In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
    Other Pulmonary Disorders01:17

    Other Pulmonary Disorders

    Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
    Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

    Chronic Obstructive Pulmonary Disease-II: Pathophysiology

    Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
    Chronic Inflammation
    Chronic Obstructive Pulmonary Disease I: Introduction01:23

    Chronic Obstructive Pulmonary Disease I: Introduction

    Chronic obstructive pulmonary disease is a common, preventable, and treatable respiratory disorder characterized by persistent symptoms and progressive airflow limitation. This limitation results from a combination of small-airway disease (obstructive bronchiolitis) and parenchymal destruction (emphysema), both driven by chronic inflammation from exposure to harmful particles or gases.The disease includes two main pathological entities: emphysema, marked by destruction of alveolar walls and...
    Chronic Obstructive Pulmonary Disease II: Emphysema01:23

    Chronic Obstructive Pulmonary Disease II: Emphysema

    Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.
    Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

    Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

    Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...