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What is A male infant presented with distension of abdomen shortly after birth with passing of less meconium. Subsequently a full-thickness biopsy of the rectum was performed. The rectal biopsy is likely to show: and explain in detail?
b. Lack of ganglion cells(Ref: Nelson's 20/e p 1894-1897, Ghai 8/e p 285-286)"Whenever neonate presents with delayed passage of stool, Hirschsprung's disease should be suspected".