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Related Concept Videos

Trachea01:22

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 the...
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...
Alveoli and Alveolar Ducts01:26

Alveoli 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...
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...
Microbiota of the Respiratory Tract01:29

Microbiota of the Respiratory Tract

The human respiratory tract, comprising the upper and lower segments, serves as a critical interface with the external environment. The upper respiratory tract (URT)—including the nostrils, sinuses, pharynx, and oropharynx—is heavily colonized by microbes, while the lower respiratory tract (LRT), composed of the larynx, trachea, bronchi, and lungs, was long thought to be sterile. However, recent molecular studies have revealed that the lungs are not devoid of microbes but act more like...
Classification of Epithelial Tissues: Simple Epithelium01:30

Classification of Epithelial Tissues: Simple Epithelium

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Related Experiment Video

Updated: May 28, 2026

Isolation of Basal Cells and Submucosal Gland Duct Cells from Mouse Trachea
11:52

Isolation of Basal Cells and Submucosal Gland Duct Cells from Mouse Trachea

Published on: September 14, 2012

Tracheal telocytes.

M C Rusu1, Adelina M Jianu, N Mirancea

  • 1Division of Anatomy, Faculty of Dental Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania.

Journal of Cellular and Molecular Medicine
|October 14, 2011
PubMed
Summary
This summary is machine-generated.

Telocytes (TC), a novel stromal cell type, were identified in the mouse trachea, potentially regulating airway functions. Further research is needed on the TC-mast cell interactions within the trachea.

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Last Updated: May 28, 2026

Isolation of Basal Cells and Submucosal Gland Duct Cells from Mouse Trachea
11:52

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Published on: September 14, 2012

Isolation and Quantitative Evaluation of Brush Cells from Mouse Tracheas
10:25

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Published on: June 12, 2019

Isolation of Murine Intestinal Mesenchyme Resulting in a High Yield of Telocytes
06:35

Isolation of Murine Intestinal Mesenchyme Resulting in a High Yield of Telocytes

Published on: March 24, 2023

Area of Science:

  • Cell Biology
  • Histology
  • Respiratory System

Background:

  • Telocytes (TC) are a recently identified stromal cell type known for intercellular signaling.
  • The presence and function of TC in the trachea have not been previously established.

Purpose of the Study:

  • To identify and characterize telocytes (TC) in the mouse trachea.
  • To investigate the potential role of TC in tracheal regulation and intercellular communication.

Main Methods:

  • Immunohistochemistry and electron microscopy were used to identify and visualize TC in mouse tracheal tissue.
  • Ultrastructural analysis was performed to examine the morphology and connections of TC and associated cells.

Main Results:

  • Telocytes (TC) were found throughout all stromal compartments of the mouse tracheal wall.
  • TC possess long prolongations (telopodes) that form serial end-to-end arrangements and establish stromal synapses with mast cells (MC).
  • Primary cilia were identified on TC.

Conclusions:

  • Tracheal telocytes (TC) may play a role in regulating tracheal functions such as secretion and contractility.
  • The newly identified TC-mast cell (MC) network in the trachea warrants further investigation for its functional significance.