Megacolon, also known as dilatation of colon, is related to goldberg-shprintzen syndrome and hirschsprung disease 1. An important gene associated with Megacolon is SOX10 (SRY-Box Transcription Factor 10), and among its related pathways/superpathways are Sympathetic Nerve Pathway (Pre- and Post- Ganglionic Junction) and Acetylcholine synthesis. The drugs Bisacodyl and Laxatives have been mentioned in the context of this disorder. Affiliated tissues include colon and smooth muscle, and related phenotypes are homeostasis/metabolism and growth/size/body region