. "The chemical reactions and pathways resulting in the formation of UDP-N-acetylgalactosamine, a substance composed of N-acetylgalactosamine, a common structural unit of oligosaccharides, in glycosidic linkage with uridine diphosphate." . . . "UDP-N-acetylgalactosamine biosynthesis" . "UDP-N-acetylgalactosamine biosynthetic process" . "UDP-N-acetylgalactosamine anabolism" . "UDP-N-acetylgalactosamine formation" . "UDP-N-acetylgalactosamine synthesis" . . .