Assertion: cervical plexus | /r/HasProperty | lysed
Facets:
value: from the network of veins
type: LOCATION
Source sentences:
text: The external jugular vein needs to be retracted or ligated and the cervical plexus should be lysed from the network of veins intertwined with it so that it can be later used for transfer or as graft material (it is easier to clean the nerves before dividing distally).