cooling the tissue to 15 degrees c or less , phenoxybenzamine in a concentration of 5 x 10 ( -5 ) g/ml . or normetanephrine in a concentration of 10 ( -4 ) g/ml . prevented both uptake and loss of na in arterial smooth muscle but had no effect on collagen.5 .
C0028385
normetanephrine
C0028351
na