Bronchial tubes
Bronchial Tubes are a key component of the respiratory system, responsible for the transportation of air to and from the lungs. They are a part of the bronchial tree, which includes the trachea, bronchi, and bronchioles.
Anatomy[edit | edit source]
The bronchial tubes originate from the trachea, which bifurcates into the left and right main bronchi at the level of the fifth thoracic vertebra. Each main bronchus then enters its respective lung, where it further divides into secondary and tertiary bronchi, and finally into smaller bronchioles. The bronchial tubes are lined with ciliated epithelium, which helps in the removal of foreign particles and mucus from the lungs.
Function[edit | edit source]
The primary function of the bronchial tubes is to facilitate the transport of air from the trachea to the lungs. They also play a crucial role in the body's defense mechanism by filtering out foreign particles and pathogens from the inhaled air. The cilia present in the lining of the bronchial tubes move in a coordinated manner to push mucus and trapped particles upwards, thereby preventing them from reaching the lungs.
Diseases and Disorders[edit | edit source]
Several diseases and disorders can affect the bronchial tubes, including bronchitis, asthma, and bronchiectasis. Bronchitis is an inflammation of the bronchial tubes, often caused by viral or bacterial infections. Asthma is a chronic condition characterized by the narrowing and inflammation of the bronchial tubes, leading to difficulty in breathing. Bronchiectasis is a condition where the bronchial tubes become abnormally widened, leading to a buildup of excess mucus that can lead to recurrent infections.
Treatment[edit | edit source]
Treatment of bronchial tube disorders depends on the specific condition and its severity. It may include medications such as bronchodilators, anti-inflammatory drugs, or antibiotics, and in severe cases, surgery may be required. It is important to consult a pulmonologist for accurate diagnosis and treatment.
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Contributors: Prab R. Tumpati, MD
