dictionary help| sphincter of the pharyngeal isthmus --> palatopharyngeal sphincter | medical dictionary |
<anatomy> A constant band of the superior pharyngeal constrictor muscle which sweeps posteriorly from the anterolateral part of the superior surface of the palatine aponeurosis. It creates a visible ridge when the superior constrictor is contracted, meeting the elevated soft palate to seal off the pharyngeal isthmus during swallowing.
Synonyms: pharyngeal ridge, sphincter of the pharyngeal isthmus, velopharyngeal sphincter.
(05 Mar 2000)
palatopharyngeal, palatopharyngeal arch, palatopharyngeal muscle < Prev | Next > palatopharyngeus, palatopharyngoplasty
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