NCIt definition : Any lipid derived from the aliphatic amino alcohol sphingosine, in which a single
fatty acid is covalently bound to sphingosine via an amide linkage. Various ester-linked
substituents can result in generation of ceramides, sphingomyelins and glycosphingolipids.;
Alternative definition : CRCH: A class of dietary lipids containing a long-chained sphingosine group (unsaturated
amino alcohol with formula C18H37NO2), fatty acids bound to the NH2 group as an amide,
and either sugars or phosphoric acid and alcohols bound to the primary hydroxy group
.;