 Kí ni sphingosine? : Sphingosine 2-amino-4-trans-octadecene-1,3-diol jẹ amuaradagba amuaradagba 18-carbon pẹlu ẹwọn hydrocarbon ti ko ni idapọ, eyiti o jẹ apakan akọkọ ti sphingolipids, kilasi ti awọn lipids membrane cell ti o pẹlu sphingomyelin, phospholipid pataki kan. 