1,2-DIACYL-SN-GLYCERO-3-PHOSPHOETHANOLAMINE TYPE II-S SHEEP BRAIN;3-SN-PHOSPHATIDYLETHANOLAMINE, EGG YOLK;3-sn-phosphatidylethanolaminesolutionfrombovinebrain ;Cephalin(fromsheepbrain) ;L-A-phosphatidylethanolamine type ii-S*commercial;Cephalins, brain ;L-A-PHOSPHATIDYLETHANOLAMINE TYPE II-S*C OMMERCIAL G;3-SN-PHOSPHATIDYLETHANOLAMINE FROM BOVIN E BRAIN
3-sn-Phosphatidylethanolamine is the major structural phospholipid in the brain, comprising 20-25% of total lipids. It is primarily localized to gray matter.