Vasospasm--considerations of the constriction and dilation of the cerebral vasculature.
D002561:Cerebrovascular Disorders; D013566:Sympathomimetics / Q000494:pharmacology*; D014662:Vasoconstrictor Agents / Q000494:pharmacology; D014665:Vasodilator Agents / Q000494:pharmacology*; D014666:Vasomotor System / Q000187:drug effects*
D013566:Sympathomimetics; D014662:Vasoconstrictor Agents; D014665:Vasodilator Agents