Assertion: catecholamine | /r/HasAspect | direct effect
Facets:
value: via beta
type: OTHER
value: on the cardiovascular system
type: TRANSITIVE-OBJECT
Source sentences:
text: Catecholamines have a direct effect on the cardiovascular system via beta 1 and beta 2 receptors—the main adrenergic receptors in cardiac tissues responsible for communicating signals to the nervous system.