Scientists have investigated the ways oxygen permeates heart valves and the role hypoxia plays in valve diseases. As the valves in a heart stretch with each beat, their cells take in life-giving ...
HOUSTON - (Dec. 20, 2016) - As the valves in a heart stretch with each beat, their cells take in life-giving oxygen. But if the supply is cut off, aortic and mitral valves use different strategies to ...