internal branch of trunk of accessory nerve

in·ter·nal branch of trunk of ac·ces·so·ry nerve

[TA]

branch formerly considered to arise from the accessory nerve trunk that carries fibers from the cranial root and that unites with the vagus nerve in the jugular foramen. Currently this branch is considered the inferiormost root of the vagus nerve.
See also: accessory nerve [CN XI].

Synonym(s): ramus internus trunci nervi accessorii [TA], internal ramus of accessory nerve

in·ter·nal branch of trunk of ac·ces·so·ry nerve

(in-tĕr'năl branch trŭngk ak-ses'ŏr-ē nĕrv) [TA]

Branch of the accessory nerve trunk that carries fibers from the cranial root and that unites with the vagus nerve in the jugular foramen.
See also: accessory nerve [CN XI]