these results suggested that ( 1 ) there may be a difference in the intracellular distribution of cardiac beta-adrenoceptors between 6-week old shr and wky , ( 2 ) the intracellular distribution of cardiac beta-adrenoceptors may be changed with aging , and ( 3 ) intracellular distribution might be related to the difference in c-amp formation to beta-agonist .
C0034783
adrenoceptors
C0001643
beta-adrenoceptors