Assertion: catecholamine's effect | /r/HasProperty | decrease
Facets:
value: -synaptically
type: MANNER
value: often
type: DEGREE
value: in the amount of norepinephrine
type: OTHER
value: on the surface of the cells
type: LOCATION
Source sentences:
text: receptors usually have inhibitory effects, but many are located pre-synaptically (i.e., on the surface of the cells that release norepinephrine), so the net effect of alpha-2 activation is often a decrease in the amount of norepinephrine released.