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
The arrow is the projectile used by the bow, and it has undergone many changes since it was first used. The arrow is made of several parts, including the shaft and arrowhead. The sizes of arrows differ and so are the materials used to make them.