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  Indian J Med Microbiol
 

Figure 1: (A) Histology of ileum on H&E and CV staining. A, micrograph (10×) at 15 weeks showing the transverse section stained with cresyl violet. The lumen is completely occupied with villi. Muscularis externa is not well differentiated into longitudinal and circular muscle layers (arrow). (B) Histology of ileum on H&E and CV staining. B, (10×) transverse section at 18 weeks stained with H&E. Blood vessels seen in lamina propria (arrow). (C) Histology of ileum on H&E and CV staining. C, (10×) transverse section at 20 weeks stained with H&E. A well-developed mucosa can be clearly seen. (D) Histology of ileum on H&E and CV staining. D, (10×) transverse section at 28 weeks stained with H&E. Peyer patches are seen in lamina propria (arrow). Serosa is well formed (arrow head). (E) Histology of ileum on H&E and CV staining. E, (10×) transverse section at 32 weeks stained with H&E. Muscularis mucosa is seen (arrow). L − lumen of the ileum; v − villi; LM − longitudinal muscle layer; CM − circular muscle layer; H&E − hematoxylin and eosin; CV − cresyl violet stain. Scale bar represents 20 μm

Figure 1: (A) Histology of ileum on H&E and CV staining. A, micrograph (10×) at 15 weeks showing the transverse section stained with cresyl violet. The lumen is completely occupied with villi. Muscularis externa is not well differentiated into longitudinal and circular muscle layers (arrow). (B) Histology of ileum on H&E and CV staining. B, (10×) transverse section at 18 weeks stained with H&E. Blood vessels seen in lamina propria (arrow). (C) Histology of ileum on H&E and CV staining. C, (10×) transverse section at 20 weeks stained with H&E. A well-developed mucosa can be clearly seen. (D) Histology of ileum on H&E and CV staining. D, (10×) transverse section at 28 weeks stained with H&E. Peyer patches are seen in lamina propria (arrow). Serosa is well formed (arrow head). (E) Histology of ileum on H&E and CV staining. E, (10×) transverse section at 32 weeks stained with H&E. Muscularis mucosa is seen (arrow). L − lumen of the ileum; v − villi; LM − longitudinal muscle layer; CM − circular muscle layer; H&E − hematoxylin and eosin; CV − cresyl violet stain. Scale bar represents 20 μm