Definitions for "Pharyngeal flap"
A surgical procedure that aids in velopharyngeal closure.  flap of skin (mucosa) taken from the back of the throat and attached to the soft palate is used to close most of the openings between the oropharynx and nasopharynx during swallowing and speech
Surgery in which a flap of tissue from the back of the throat is attached to the soft palate to reduce the escape of air through the nose during speech.
Surgical procedure designed to minimize hypernasality. A flap of skin creates a "bridge" between the soft palate and the back of the throat