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Related Concept Videos

Trachea01:22

Trachea

5.9K
The trachea, commonly known as the windpipe, is a vital part of the human respiratory system. It serves as a passageway for air to travel between the larynx and the bronchi, allowing oxygen to reach the lungs. Let's explore its anatomical features, dimensions, layers of the tracheal wall, associated muscles, and the functions of its parts.
Anatomical Features:
Location: About half of the trachea is situated in the neck, anterior to the esophagus, and extends from the larynx (at the level of...
5.9K
Anatomy of Respiratory System II: Lower Respiratory Tract01:31

Anatomy of Respiratory System II: Lower Respiratory Tract

4.9K
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...
4.9K
Tracheostomy Decannulation01:21

Tracheostomy Decannulation

2.3K
Tracheostomy decannulation is a significant milestone in the liberation of mechanically ventilated patients. Despite its importance, there is no universally accepted protocol for this procedure. This demands an evidence-based, individualized approach.
Description of the Procedure
Decannulation refers to the permanent removal of the tracheostomy tube, signaling the resolution of the condition that initially necessitated the tracheostomy. The process requires a well-coordinated interplay between...
2.3K
Tracheostomy: Procedure and Tubes01:28

Tracheostomy: Procedure and Tubes

4.5K
A tracheostomy is a surgical procedure that creates an artificial opening into the trachea, typically at the second or third cartilaginous ring level. This opening allows the insertion of a tracheostomy tube, which can replace an endotracheal tube, provide mechanical ventilation, bypass an upper airway obstruction, or remove accumulated tracheobronchial secretions.
Tracheostomy tubes can be made of semiflexible plastic (polyurethane or silicone), rigid plastic, or metal, and they come in...
4.5K
The Bronchial Tree01:23

The Bronchial Tree

7.7K
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...
7.7K
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

3.0K
Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
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Related Experiment Video

Updated: Mar 16, 2026

Seeding and Implantation of a Biosynthetic Tissue-engineered Tracheal Graft in a Mouse Model
09:57

Seeding and Implantation of a Biosynthetic Tissue-engineered Tracheal Graft in a Mouse Model

Published on: April 1, 2019

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[Tracheal agenesis].

B Branger1, M Berlivet, M Wesoluch

  • 1Service de Pédiatrie-Néonatologie, Hôpital de Saint-Nazaire.

Archives Francaises De Pediatrie
|May 1, 1989
PubMed
Summary
This summary is machine-generated.

Tracheal agenesis is a rare, lethal congenital malformation that cannot be detected before birth. Autopsy is crucial for classifying the malformation and identifying associated conditions like VATER syndrome.

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Area of Science:

  • Medical Genetics
  • Developmental Biology
  • Pediatric Surgery

Background:

  • Tracheal agenesis is a rare and lethal congenital anomaly.
  • Current diagnostic methods do not allow for prenatal recognition of this condition.
  • The etiology and precise developmental mechanisms remain largely unknown.

Observation:

  • This report details a case of tracheal agenesis, from pregnancy through diagnosis at birth.
  • Autopsy findings were used to classify the specific type of tracheal agenesis.
  • Associated malformations, including a tracheo-esophageal fistula and features consistent with VATER syndrome, were noted.

Findings:

  • Tracheal agenesis is invariably associated with a tracheo-esophageal fistula.
  • No chromosomal anomalies have been identified in relation to this condition.
  • This represents one of approximately fifty reported cases in the medical literature.

Implications:

  • Accurate classification through autopsy is vital for understanding the spectrum of tracheal agenesis.
  • Further research into the underlying mechanisms may elucidate developmental pathways.
  • Improved understanding could potentially guide future diagnostic or therapeutic strategies, despite current limitations.