Occlusion Precerebral Artery, also known as occlusion and stenosis of multiple and bilateral precerebral arteries, is related to basilar artery insufficiency and brown-sequard syndrome. An important gene associated with Occlusion Precerebral Artery is PLAT (Plasminogen Activator, Tissue Type), and among its related pathways/superpathways are Signal Transduction and Response to elevated platelet cytosolic Ca2+. Related phenotypes are nervous system and homeostasis/metabolism