cholesterol molecule. essential component of cell membranes and precursor of steroid hormones, bile acids and vitamin d

hdl hmgcoa ldl acid animal atherosclerosis atomic atoms background bile blackboard blood bond carbon cardiovascular cell chalk chalkboard chemical chemistry cholesterol cholesterole cholesterolemia composition compound drawing fat fatty formula hypercholesterolemia icon level line lipid liver membrane model molecular molecule ring serum skeletal statin steroid sterol structure style stylized writing written