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Related Concept Videos

The Bronchial Tree01:23

The Bronchial Tree

The human bronchi and bronchial tree play a crucial role in the respiratory system, facilitating the exchange of oxygen and carbon dioxide. Let's delve into the intricate structure and functions of these respiratory components.
The trachea, commonly known as the windpipe, is a tube that connects the larynx (voice box) to the bronchi. At a point called the carina, it bifurcates into two primary bronchi. The right primary bronchus is wider, shorter, and more vertical than the left primary...
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...
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...
Physical Assessment of the Respiratory Tract IV: Auscultation01:28

Physical Assessment of the Respiratory Tract IV: Auscultation

Auscultation is a crucial component of the physical assessment of the respiratory tract. It offers valuable insights into airflow through the bronchial tree and potential lung obstructions. This process involves careful listening to breath, voice, and adventitious sounds, which can reveal a wealth of information about a patient's respiratory health.
Breath Sounds
Breath sounds are categorized into vesicular, bronchovesicular, and bronchial.
Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due to...
Anatomy of Respiratory System II: Lower Respiratory Tract01:31

Anatomy of Respiratory System II: Lower Respiratory Tract

The lower respiratory tract is anatomically composed of several vital structures, including the larynx, trachea, bronchial tree, alveoli, lungs, and pleurae. Each component has a specific function, and all are intricately connected to ensure efficient respiration.
The Larynx
It is located between the pharynx and the trachea, acts as a passageway for air, and hosts several critical structures, such as the epiglottis, vocal cords, and glottis. The epiglottis acts as a gateway, guiding food to the...

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Related Experiment Video

Updated: May 19, 2026

The Bovine Lung in Biomedical Research: Visually Guided Bronchoscopy, Intrabronchial Inoculation and In Vivo Sampling Techniques
09:01

The Bovine Lung in Biomedical Research: Visually Guided Bronchoscopy, Intrabronchial Inoculation and In Vivo Sampling Techniques

Published on: July 3, 2014

[Bronchial foreign bodies].

F J F Herth1

  • 1Pneumologie und Beatmungsmedizin, Thoraxklinik, Universitätsklinikum Heidelberg, Deutschland. felix.herth@thoraxklinik-heidelberg.de

HNO
|September 5, 2012
PubMed
Summary
This summary is machine-generated.

Foreign body aspiration, common in young children, presents with symptoms like coughing and pneumonia. Bronchoscopy is the primary method for removing these airway obstructions, especially food particles.

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Bronchoalveolar Lavage of Murine Lungs to Analyze Inflammatory Cell Infiltration
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Bronchoalveolar Lavage of Murine Lungs to Analyze Inflammatory Cell Infiltration

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Related Experiment Videos

Last Updated: May 19, 2026

The Bovine Lung in Biomedical Research: Visually Guided Bronchoscopy, Intrabronchial Inoculation and In Vivo Sampling Techniques
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The Bovine Lung in Biomedical Research: Visually Guided Bronchoscopy, Intrabronchial Inoculation and In Vivo Sampling Techniques

Published on: July 3, 2014

Bronchoalveolar Lavage of Murine Lungs to Analyze Inflammatory Cell Infiltration
07:03

Bronchoalveolar Lavage of Murine Lungs to Analyze Inflammatory Cell Infiltration

Published on: May 4, 2017

Area of Science:

  • Medical Sciences
  • Pediatrics
  • Pulmonology

Context:

  • Foreign body aspiration is a significant cause of respiratory distress, particularly in pediatric populations.
  • While most common in children aged 1-3 years, it can occur in adults, though less frequently.
  • Objects lodged in the larynx or trachea pose greater risks than those in the bronchi.

Purpose:

  • To summarize the clinical presentation, demographics, and management of foreign body aspiration.
  • To highlight the diagnostic and therapeutic role of bronchoscopy.

Summary:

  • Key symptoms include coughing, wheezing, dyspnea, and recurrent pneumonia.
  • Food particles are the most frequent foreign bodies aspirated.
  • Bronchoscopy is the gold standard for diagnosis and removal of foreign bodies from the airway.

Impact:

  • Improved recognition of aspiration signs in children and adults.
  • Timely bronchoscopic intervention can prevent serious complications.
  • Enhanced understanding of risk factors and common etiologies informs preventative strategies.