Assertion: endogenous adenosine | /r/CapableOf | act on a 2a r
Facets:
value: on cardiac cells
type: LOCATION
Source sentences:
text: This argues that the endogenous adenosine that regulates HR under physiological conditions is acting not mainly on A 1 R and A 2A R on cardiac cells but by regulating nervous input [see reviews (5, 15,