Assertion: accessory nerve's root | /r/CapableOf | form the accessory nerve trunk
Facets:
Source sentences:
text: These two roots form the accessory nerve trunk, which divides into two branches: the internal, which unites with the vagus nerve in the jugular foramen and supplies the muscles of the pharynx, larynx, and soft palate; and the external, which continues through the jugular foramen to supply the sternocleidomastoid and trapezius muscles.