Schindler Disease, also known as alpha-n-acetylgalactosaminidase deficiency, is related to kanzaki disease and fucosidosis, and has symptoms including vertigo, dry skin and muscle spasticity. An important gene associated with Schindler Disease is NAGA (Alpha-N-Acetylgalactosaminidase), and among its related pathways/superpathways are Metabolism and Sphingolipid metabolism. Affiliated tissues include spinal cord and eye, and related phenotypes are intellectual disability and spasticity