system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
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:
assistant
The correct answer is  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".