Development of pharynx video

The key to the understanding of the anatomy of the head and neck region lies in the understanding of the development that takes place in the pharynx  and these include the development of arches, the pouches and the clefts. Almost all the features in the head and neck region lies in the development from pharynx in a model similar to the gill clefts of fishes. Even the nerve supply to these primordial structures are derived from the head region even if they later migrate to neck or other regions. Most of the major organs are preformed in the pouches, , (or pharyngeal pouches). The original head does not contain these structures. It has only the brain and the  developing eye.

 
Pharnyx development video  [Interactive videotext]

 

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