title: Withdrawal of magnesium causes vasospasm while elevated magnesium produces relaxation of tone in cerebral arteries.
mesh_terms: D000818:Animals; D001488:Basilar Artery / Q000187:drug effects* / Q000503:physiopathology; D002118:Calcium / Q000378:metabolism; D002536:Cerebral Arteries / Q000187:drug effects*; D004285:Dogs; D005260:Female; D066298:In Vitro Techniques; D002546:Ischemic Attack, Transient / Q000209:etiology; D008274:Magnesium / Q000097:blood / Q000134:cerebrospinal fluid / Q000494:pharmacology*; D008275:Magnesium Deficiency / Q000150:complications; D008297:Male; D009131:Muscle, Smooth, Vascular / Q000187:drug effects* / Q000378:metabolism
chemical_list: D008274:Magnesium; D002118:Calcium