Mannosidosis, Alpha B, Lysosomal, also known as alpha-mannosidosis, is related to mannosidosis, beta a, lysosomal and dysostosis, and has symptoms including muscle spasticity and gait ataxia. An important gene associated with Mannosidosis, Alpha B, Lysosomal is MAN2B1 (Mannosidase Alpha Class 2B Member 1), and among its related pathways/superpathways are Metabolism and Diseases of glycosylation. The drugs Sorbitol and Glycine have been mentioned in the context of this disorder. Affiliated tissues include bone and eye, and related phenotypes are intellectual disability and macroglossia