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Trachea

Trachea

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...

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Related Experiment Video

Updated: Aug 10, 2025

Heterotopic and Orthotopic Tracheal Transplantation in Mice used as Models to Study the Development of Obliterative Airway Disease

Heterotopic and Orthotopic Tracheal Transplantation in Mice used as Models to Study the Development of Obliterative Airway Disease

Published on: January 20, 2010

Human Tracheal Transplantation.

Eric M Genden¹, Benjamin M Laitman

¹Department of Otolaryngology-Head and Neck Surgery, Icahn School of Medicine at Mount Sinai, New York, NY.

Transplantation

|February 14, 2023

Summary

This summary is machine-generated.

Reconstructing long tracheal defects (>6 cm) is challenging. A new single-staged vascularized tracheal transplantation technique shows promise for overcoming previous limitations and improving patient outcomes.

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Last Updated: Aug 10, 2025

Heterotopic and Orthotopic Tracheal Transplantation in Mice used as Models to Study the Development of Obliterative Airway Disease

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Published on: January 20, 2010

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Area of Science:

Thoracic surgery
Regenerative medicine
Biomaterials science

Background:

Long-segment tracheal defects (>6 cm) pose significant surgical challenges.
Current reconstructive methods for extensive tracheal defects have high morbidity and mortality rates.
Existing techniques often fail to provide a rigid, biologically integrating structure with functional ciliated epithelium.

Purpose of the Study:

To address the reconstructive dilemma of long-segment tracheal defects.
To explore novel solutions beyond traditional alloplastic materials and nonvascularized grafts.
To investigate the potential of single-staged vascularized tracheal transplantation.

Main Methods:

Review of historical and current reconstructive techniques for tracheal defects.
Discussion of the challenges and limitations of existing methods.
Introduction of single-staged vascularized tracheal transplantation as a potential solution.

Main Results:

Traditional methods using alloplastic materials, nonvascularized allografts, and homografts have largely been unsuccessful.
Single-staged vascularized tracheal transplantation represents a recent advancement in the field.
This technique may offer a viable solution for complex tracheal reconstruction.

Conclusions:

Long-segment tracheal defects remain a significant clinical challenge.
Previous reconstructive approaches have yielded limited success.
Single-stage vascularized tracheal transplantation holds promise for improving outcomes in patients with extensive tracheal defects and tracheoesophageal fistulas.