Tracheoesophageal fold
Tracheoesophageal fold is a structure that forms during the embryonic development of the respiratory system and digestive system. It plays a crucial role in the separation of the trachea and esophagus.
Development[edit | edit source]
The tracheoesophageal fold develops during the fourth week of embryogenesis. It originates from the endoderm, one of the three primary germ layers in the very early embryo. The endoderm layer forms the lining of the trachea and esophagus, among other structures.
The tracheoesophageal fold is responsible for the division of the primitive foregut into the trachea anteriorly and the esophagus posteriorly. This process is known as tracheoesophageal separation and is crucial for the proper functioning of the respiratory and digestive systems.
Clinical Significance[edit | edit source]
Abnormalities in the formation of the tracheoesophageal fold can lead to congenital conditions such as tracheoesophageal fistula and esophageal atresia. These conditions can cause serious complications, including difficulty swallowing (dysphagia), respiratory problems, and increased risk of pneumonia.
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD