Assertion: facial nerve | /r/CapableOf | become extra-cranial
Facets:
value: upon exiting the stylomastoid foramen
type: TEMPORAL
Source sentences:
text: Upon exiting the stylomastoid foramen, the facial nerve becomes extra-cranial, and travels through the parotid gland, giving off five terminal branches that provide the somatic motor functions of CN7 responsible for facial expression.