decreased sterol level decreased brain sterol level 2013-11-11T12:35:54Z MP:0012227 MPheno.ontology csmith decreased brain steroid alcohol level reduced brain steroid alcohol level reduced brain sterol level reduced level in the brain of any of a group of predominantly unsaturated solid alcohols of the steroid group, usually with a hydroxyl group (OH) attached to the third carbon atom, and are present in the fatty tissues of plants and animals; sterols may be found either as free sterols, acylated, alkylated, sulfated, or linked to a glycoside moiety which can be itself acylated