attached to innervated by muscles innervated by vagus nerve palatine bone soft palate palatopharyngeus muscle Ready for review. Palatopharyngeus is a muscle that attaches to the palatine bones, soft palate, and pharynx and is innervated by Cranial Nerve X via the pharyngeal plexus. http://www.feedexp.org/wiki/Mammalian_Muscle_Ontology_Workshop http://purl.obolibrary.org/obo/UBERON_0010234 pharyngeal plexus