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What is Hirschsprung&;s disease is due to and explain in detail?
.* It is a congenital, familial condition, occurring in newborn due to the absence of ganglion cells-- Auerbach's and Meissner's plexus in anorectum, which may extend proximally either a pa or full length of the colon. ref:SRB&;s manual of surgery,ed 3,pg no 818