"origin: inferior surface of the palatine aponeurosis"
"insertion: posterolateral tongue"
"nerve supply: pharyngeal branch of the vagus nerve (CN X) contributing to the pharyngeal plexus (NB it is the only tongue muscle not supplied by the hypoglossal nerve)"
"action: elevates the posterior tongue and draws the soft palate onto tongue, thereby narrowing the diameter of the oropharyngeal isthmus"
Expected headings
"Summary"