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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
Aganglionic segment is encountered in which part of colon in case of Hirchsprung's disease -
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The correct answer is  Ans. is 'a' i.e., Distal to dilated segment "The major feature of Hirschsprung ds is an absence of ganglion cells in the neural plexus of the intestinal wall, together with hypertrophy of nerve trunks. The absence of ganglion cells gives rise to a contracted non-peristaltic segment with a dilated hypertrophied segment of normal colon above it ___ Bailey 24/e