in the isolated , blood-free perfused rabbit lung in situ , single pass pulmonary removal of [ 3h ] -adenosine injected into the pulmonary artery was accomplished by a low-affinity , saturable process yielding apparent michaelis-menten constants of km = 498 +/- 36 microm and vmax = 39 +/- 4 mumol/min per lung .
C0034052
pulmonary artery
C0024109
lung