Figure 1. Leg haemodynamics during purine or pyrimidine infusion alone and in combination with tyramine infusion.

Leg blood flow, mean arterial pressure and leg vascular conductance during separate intrafemoral artery infusion of adenosine, AMP, ADP, ATP or UTP or combined with tyramine infusion. Data are mean ±s.e.m. for 9 subjects. *Significantly different from control, P < 0.05.