Assertion: alpha blocker | /r/CapableOf | prevent the hormone norepinephrine
Facets:
value: from tightening the muscles
type: TRANSITIVE-OBJECT
Source sentences:
text: Alpha blockers prevent the hormone norepinephrine (noradrenaline) from tightening the muscles in the walls of smaller arteries and veins, which causes the vessels to remain open and relaxed.
text: Alpha blockers prevent the hormone norepinephrine (noradrenaline) from tightening the muscles in the walls of smaller arteries and veins, which causes the vessels to remain open and relaxed.