Apraxia, also known as apraxias, is related to ataxia-oculomotor apraxia 3 and spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 2, and has symptoms including cachexia, cyanosis and dyspnea. An important gene associated with Apraxia is SIL1 (SIL1 Nucleotide Exchange Factor), and among its related pathways/superpathways are Wnt / Hedgehog / Notch and Bardet-Biedl syndrome. The drugs Ethanol and Lecithin have been mentioned in the context of this disorder. Affiliated tissues include parietal lobe and brain, and related phenotypes are Synthetic lethal with vaccinia virus (VACV) infection and nervous system