Terminal bronchiole
Terminal bronchiole
The Terminal bronchiole (pronounced: ter-mi-nal bron-kee-ole) is the final segment of the conducting zone in the respiratory system. It is the smallest airway in the lungs, with a diameter of less than 0.5mm, and serves as a pathway for air to reach the respiratory bronchioles.
Etymology
The term "Terminal bronchiole" is derived from the Latin words 'terminus' meaning 'end' and 'bronchus' meaning 'windpipe'. It refers to the final part of the bronchial tree.
Function
The primary function of the terminal bronchiole is to conduct air from the bronchi to the respiratory bronchioles. It also plays a crucial role in the process of gas exchange in the lungs.
Related Terms
- Bronchi: The main passageway into the lungs.
- Respiratory bronchioles: The airways in the lungs that connect the terminal bronchioles to the alveolar ducts.
- Alveolar ducts: Small passages connecting the respiratory bronchioles and the alveolar sacs.
- Alveolar sacs: Cluster of alveoli where gas exchange occurs.
- Gas exchange: The process of oxygen and carbon dioxide moving between the bloodstream and the lungs.
See Also
External links
- Medical encyclopedia article on Terminal bronchiole
- Wikipedia's article - Terminal bronchiole
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