injection of norepinephrine causes a short , steep fall of mucosal po2 , naftidrofuryl elevates mucosal po2 for several minutes in spite of reduced arterial blood pressure , pentagastrin produces a biphasic response , a temporary rise of mucosal po2 is followed by a longer lasting decrease , vagotomy causes a considerable and more persistent drop of mucosal po2 .
C0028351
norepinephrine
C0020649
reduced