glycolipid metabolism glycolipid biosynthesis glycosphingolipid biosynthesis PMID:11384981 PMID:11283017 GO:0006688 PMID:10207017 PMID:10092602 PMID:8631981 PMID:9405390 pathway PMID:8910600 PMID:9593693 UPa:UPA01052 PMID:9792633 PMID:8195250 PMID:10854428 PMID:10854427 PMID:10993897 PMID:10748143 PMID:11341836 PMID:10521438 PMID:10837462 PMID:9822625 PMID:10702226 Biosynthesis of glycosphingolipids, a subtype of glycolipids containing the amino alcohol sphingosine. Glycosphingolipids (GSLs) are found in the cell membranes of organisms from bacteria to man, and are the major glycans of the vertebrate brain, where more than 80% of glycoconjugates are in the form of glycolipids.