The type A receptor (ET-A) has been associated with vasoconstriction and cell growth while the type B receptor (ET-B) has been associated with endothelial-cell mediated vasodilation and with the ...
NO. NO plays a central role in the pathophysiology of systemic and splanchnic vasodilation in cirrhosis. NO is synthesized from L-arginine by the action of NO synthase (NOS), which exists in three ...
Using a new plethysmographic technique to measure peripheral arterial tone (PAT), we report here that REM sleep in humans is associated with considerable peripheral vasoconstriction. The apparatus ...
In the setting of cocaine, nitrates may have benefits beyond those observed in traditional patients related to coronary vasodilation. The mechanism of action of phentolamine ... Severe hypertension ...