lipid metabolic pathway ether lipid metabolic pathway 2012-11-02T16:17:56Z PW:0001138 PW:0001157 Those metabolic reactions involving ether lipids, lipid molecules in which one or several of the carbons on glycerol has an ether linkage to an alkyl chain. Ether lipids are constituents of cell membrane; some metabolites could act as signaling second messengers or carry out antioxidant functions. ether lipid metabolic process pathway vpetri