Assertion: rib cage's rib | /r/CapableOf | interfere with nerve
Facets:
value: mechanically
type: MANNER
Source sentences:
text: The rib remnant of the 7th cervical vertebra on one or both sides is occasionally replaced by a free extra rib called a cervical rib, which can mechanically interfere with the nerves (brachial plexus) going to the arm.