ganglioside
noun
gan·gli·o·side ˈgaŋ-glē-ə-ˌsīd 
: any of a group of glycolipids that yield a hexose sugar on hydrolysis and are found especially in the plasma membrane of cells of the gray matter
Example Sentences
Recent Examples on the Web A mutation in the GLB1 gene causes the disease by not producing an enzyme that breaks down a substance known as GM1 ganglioside, which eventually reaches toxic levels. 
Damin Esper, The Mercury News, 6 Mar. 2017
Damin Esper, The Mercury News, 6 Mar. 2017 Word History
Etymology
borrowed from German Ganglioside, from Ganglion ganglion + -oside (in Glycoside glycoside); so called because such lipids were first isolated from ganglia in the brain
First Known Use
1943, in the meaning defined above
Medical Definition
ganglioside
noun
gan·gli·o·side ˈgaŋ-glē-ə-ˌsīd
: any of a group of glycolipids that are found especially in the plasma membrane of cells of the gray matter and have sialic acid, hexoses, and hexosamines in the carbohydrate part and ceramide as the lipid