Fig. 2. Morphological changes in gastrointestinal mucosa of VPA model of ASD. H&E stained gastric and ileac mucosa was taken with 400× resolution to observe epithelial cell. A. Gastric epithelial cell was taken in the upper portion and lower portion of stomach. Morphological changes of parietal cell(P) and chief cell(C) were observed. B. Ileac epithelial cells including absorptive cell(A), goblet cell(G) and lamina propria were observed. Striated border line was indicated by arrowheads.