has part has part has_part characteristic of has modifier ether lipid abnormal phospholipid level abnormal ether lipid level csmith abnormal ether phospholipid level abnormal ether glycerolipid level anomaly in the amount of lipids in which one or more of the carbon atoms on glycerol is bonded to an alkyl chain via an ether linkage, as opposed to the usual ester linkage 2013-11-11T10:36:31Z MP:0012220 MPheno.ontology amount abnormal