Assertion: subclavian artery's origin | /r/HasProperty | variable
Facets:
value: highly
type: DEGREE
Source sentences:
text: The origin of these branches is highly variable (e.g. the posterior and anterior circumflex arteries often have a common trunk).
text: The origin of the vertebral arteries is usually from the posterior superior part of the subclavian arteries bilaterally, although the origin can be variable:
text: The origin of the VA is usually from the posterior superior part of the subclavian arteries bilaterally, although the origin can be variable: