blood cholesterol amount Trait.ontology EFO:0022263 EFO:0008591 EFO:0022277 CMO:0003009 EFO:0022278 The proportion, quantity, or volume in whole blood, serum, or plasma of the most abundant steroid in animal tissues, and precursor to steroid hormones and bile salts; also component of plasma membranes. CMO:0003215 CMO:0000585 EFO:0022280 CMO:0000363 EFO:0004574 CMO:0000051 VT:0000180 EFO:0007806 circulating cholesterol level blood cholesterol level cholesterol amount blood sterol amount