Also see the separate article Coma. Previously, the term persistent vegetative state (PVS) was used to describe all patients with prolonged disorders of consciousness. PVS has become marked by ethical and medical dilemmas, often, if not always, requiring legal assistance.
Full Definition of AGENCY. 1. a: the office or function of an agent b: the relationship between a principal and that person's agent. 2. : the capacity, condition, or state of acting or of exerting power: operation.
The definition of an agency is a group of people that performs some specific task, or that helps others in some way. A business that takes care of all the details for a person planning a trip is an example of a travel agency. noun.