Fascia and Space of the Pharynx
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Fascia and Space of the Pharynx
A. Retropharyngeal space
- Is a potential space between the buccopharyngeal fascia and the prevertebral fascia, extending from the base of the skull to the superior mediastinum.
- Permits movement of the pharynx, larynx, trachea, and esophagus during swallowing.
B. Pharyngobasilar fascia
- Forms the submucosa of the pharynx and blends with the periosteum of the base of the skull.
- Lies internal to the muscular coat of the pharynx; these muscles are covered externally by the buccopharyngeal fascia.
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