Multiple Choice
A newborn boy does not pass meconium in the first 24 hours. His abdomen is distended, and he begins vomiting. Hirschsprung's disease is suspected. Which of the following is virtually absent from the constricted segment of the colon in this patient?
A) Blood flow
B) Circular smooth muscle
C) Ganglion cells
D) Mucosa
E) Serosa
Correct Answer:

Verified
Correct Answer:
Verified
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