title: Model studies of the circle of Willis: flow and pressure changes.
mesh_terms: D000818:Animals; D001783:Blood Flow Velocity; D001794:Blood Pressure; D002560:Cerebrovascular Circulation; D002561:Cerebrovascular Disorders / Q000503:physiopathology; D002941:Circle of Willis / Q000502:physiology*; D003201:Computers; D004285:Dogs; D000882:Haplorhini; D008954:Models, Biological; D013045:Species Specificity