The metabolism of SphingoLipids (SLs) in the ER and Golgi apparatus. Sphingolipids, or glycosyl-ceramides, are a class of lipids containing a backbone of sphingoid bases, a set of aliphatic amino alcohols that includes sphingosine. These compounds play important roles in signal transmission and cell recognition. New Pathway on Sphingolipids. [-:-] Unknown gpml interaction type: mim-translocation [-:-] Unknown gpml interaction type: mim-translocation [LINE:id87fd0f1] Invalid interaction type. [LINE:id7583b73d] Invalid interaction type.