Machado Joseph Disease (MJD), also known as Spinocerebellar Ataxia type 3, is a rare degenerative neurological disorder. This inherited condition primarily affects the cerebellum, causing progressive muscle coordination issues, loss of balance, and difficulties with speech and swallowing. While there are no exact synonyms for the term "Machado Joseph Disease", it is commonly referred to as MJD or Spinocerebellar Ataxia type 3. Other related terms include Cerebellar Ataxia, Hereditary Ataxia, and Autosomal Dominant Ataxia. Nonetheless, it is essential to consult medical professionals and use the correct terminology when discussing this specific genetic disorder.