Assertion: accessory nerve's fiber | /r/HasProperty | supplied via branch
Facets:
value: on the external carotid artery
type: LOCATION
value: from the superior cervical ganglion
type: OTHER
value: from the plexus
type: OTHER
Source sentences:
text: Sympathetic fibers are supplied from the superior cervical ganglion via branches from the plexus on the external carotid artery; this element is vasoconstrictor 4.