1. (Pharmacology) a drug, agent, or nerve that can cause dilatation (vasodilatation) of the walls of blood vessels. 2. (Physiology) a drug, agent, or nerve that can cause dilatation (vasodilatation) of the walls of blood vessels.
As part of their proposal to âreintroduceâ 750 Mexican wolves, these scientists want to have a self-sustaining population of 250 wolves in southern Utah and northern Arizona â places that fall well outside the predatorsâ historic range.
FWS announces plans to remove gray wolves in the Northern Rockies (Idaho, Wyoming, Montana) from the Endangered Species List, but only if Wyoming adopts a state management plan that FWS deems appropriate. Wyoming's original plan, rejected by FWS, remains under review by the 10th Circuit Court of Appeals.