Related Experiment Video
Updated: Jul 7, 2026
04:47
Systematic Bronchoscopy: the Four Landmarks Approach
Published on: June 23, 2023
Lobes, fissures, and bronchopulmonary segments
Paula Ugalde1, Jose de Jesus Camargo, Jean Deslauriers
1Division of Thoracic Surgery, Centre de pneumologie de Laval, 2725, chemin Sainte-Foy, Sainte-Foy, Québec G1V 4G5, Canada.
Thoracic Surgery Clinics
|February 15, 2008
Summary
Thoracic surgeons need detailed knowledge of lung anatomy and its variations for successful operations. Understanding pulmonary lobes, segments, and fissures ensures accurate diagnosis and optimal surgical outcomes.
Area of Science:
- Thoracic Surgery
- Anatomy
- Surgical Procedures
Background:
- Clinical thoracic surgery demands comprehensive knowledge of pulmonary anatomy.
- Variations in anatomy can lead to incomplete procedures or surgical errors.
Purpose of the Study:
- To emphasize the critical role of anatomical knowledge in thoracic surgery.
- To highlight how understanding pulmonary anatomy aids in patient care.
Main Methods:
- Review of anatomical principles relevant to thoracic surgery.
- Correlation of anatomical knowledge with clinical practice and patient outcomes.
Main Results:
- Accurate anatomical understanding is essential for preventing surgical mishaps.
- Knowledge of pulmonary lobes, segments, and fissures facilitates precise surgical planning.
Conclusions:
- Mastery of pulmonary anatomy and its variations is indispensable for thoracic surgeons.
- This knowledge directly impacts the quality and success of thoracic operations.
Related Concept Videos
01:17Gross Anatomy of the Lungs
The lungs are a pair of vital organs connected to the trachea via the left and right bronchi. The base of these organs meets the dome-shaped muscle known as the diaphragm. Encased by the pleurae, the lungs contact the mediastinum. The right lung is shorter yet wider, and has a larger volume than the left lung. The left lung has an indentation known as the cardiac notch. The superior region of the lungs is referred to as the apex, whereas the base is the lower region near the diaphragm. The...
01:23The 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...
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...
01:31Anatomy 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...
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...
01:26Alveoli and Alveolar Ducts
The respiratory zone of the human body, which stands in contrast to the conducting zone, comprises the structures that actively participate in the exchange of gases. The initiation of this zone is marked by the terminal bronchioles converging into respiratory bronchioles, the tiniest bronchiole classification. The respiratory bronchioles give way to the alveolar ducts that opens into a congregation of alveoli. Actively involved in gas exchange, alveoli resemble tiny sacs similar to clusters of...
01:16The Respiratory System
The respiratory system is comprised of the organs that enable breathing. Air enters the nostrils and mouth, followed by the pharynx (throat) and larynx (voice box), which lead to the trachea (windpipe). In the thoracic cavity, the trachea splits into two bronchi that allow air to enter the lungs. The bronchi split into progressively smaller bronchioles and terminate in small groups of tiny sacs in the lungs called alveoli, where gas exchange occurs.
01:13Pleura of the Lungs
The lungs are nestled in a cavity, shielded by the pleura. The pleura, a form of serous membrane, wraps around each lung. This membrane arrangement consists of two layers: the visceral and parietal pleurae. The visceral pleura lines the surface of the lungIn contrast, the parietal pleura is the outer layer and contacts to the thoracic wall, the mediastinum, and the diaphragm. The hilum is the point of connection between the visceral and parietal layers. The space between the parietal and...