Assertion: ganglion's nerve | /r/CapableOf | integrate as gray communicating rami
Facets:
value: before joining the cervical plexus
type: TEMPORAL
Source sentences:
text: Postganglionic nerves follow the carotid arteries (external or internal) to the head or integrate as the gray communicating rami before joining the cervical plexus or upper cervical nerves to innervate structures of the neck.