Diffusing Capacity. 1  Diseases associated with increased pulmonary blood flow (e.g., left-to-right intracardiac shunts) 2  Diseases associated with polycythemia. 3  Exercise. 4  Pulmonary hemorrhage. 5  DLCO, diffusing capacity of carbon monoxide.
arrow - a projectile with a straight thin shaft and an arrowhead on one end and stabilizing vanes on the other; intended to be shot from a bow arrowhead - the pointed head or striking tip of an arrow bow and arrow - a weapon consisting of arrows and the bow to shoot them
bow. vb. 1. to lower (one's head) or bend (one's knee or body) as a sign of respect, greeting, assent, or shame. 2. to bend or cause to bend; incline downwards. 3. (intr; usually foll by to or before) to comply or accept: bow to the inevitable.