Assertion: coronary artery's branch | /r/CapableOf | arise off left coronary system
Facets:
value: to supply an area
type: PURPOSE
Source sentences:
text: In an estimated 70% of patients, a coronary branch (termed ramus medianus, intermedius, or intermediate branch) arises early off the left coronary system to supply an area between diagonal branches from the LAD and obtuse branches from the Cx systems.