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.
Wolves live in all kinds of terrain, from desert to tundra. They prefer areas with cover (places to hide such as brush, shrubs, or trees), near water, and near large congregations of prey (herds of deer or caribou, for example).