Abstract
Hirschsprung's disease (HD) is a congenital malformation of the enteric nervous system, characterized by the absence of ganglion cells in the submucosal and myenteric plexuses of the distal intestine. Intestinal Neuronal Dysplasia type B (IND-B) is another neuromuscular, gastrointestinal disease characterized by hyperplasia of the nerve plexuses and increased ganglion cells. The clinical …