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.
Utah History Encyclopedia. The Navajo Indians in Utah reside on a reservation of more than 1,155,000 acres in the southeastern corner of the state. According to the 1990 census, more than half of the population of San Juan County is comprised of Navajo people, the majority of whom live south of the San Juan River.