the regional distribution of energy-related metabolites was determined for the normal dog heart by using high performance liquid chromatography to analyse the levels of atp , adp , amp , imp , adenosine , inosine , hypoxanthine/xanthine , uric acid and nad in tissue samples from 7 defined areas of the myocardium and 2 of the conduction system , and calculating the overall concentration of these metabolites in each area .
C0018787
heart
C0027061
myocardium