English English Wikipedia has an article on:Andermann syndromeWikipedia Etymology First described in 1972 by Frederick and Eva Andermann et al. Noun Andermann syndrome (uncountable) A rare neurodegenerative genetic disorder that damages the nerves used to control muscles and related to sensation, and is often associated with agenesis of the corpus callosum. Synonyms: ACCPN, Charlevoix disease Wikiwand - on Seamless Wikipedia browsing. On steroids.