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. 2024 Jul 5;11:1416459. doi: 10.3389/fvets.2024.1416459

Figure 2.

Figure 2

Photomicrographs of H&E-stained sections of cecum showing: (A) Normal histological architecture of cecal mucosa (arrow), crypts (arrowhead), submucosa, and muscular layer in G1. (B,C) Presence of necrotic enterocytes, desquamated sheets of epithelium (thick arrow), and macrogametes within destructed enterocytes (arrow). (D,E) Macrogametes (arrow) and microgametes (arrowhead) within the lamina propria. (F,G) Heavy infestation of some epithelial lining mucosa with large numbers of macrogametes (arrow) accompanied by lymphocytic infiltrates within the lamina propria (star) in G2. (H) Cystic dilatation of some cecal crypts (arrow), mild hemorrhage adjacent to eosinophils aggregation (arrowhead), and diffuse mononuclear cell infiltration within the lamina propria in G3. (I) Goblet cell hyperplasia (arrow), diffuse mononuclear cell infiltration, and mild hemorrhages in the lamina propria in G4. (J) Restoration of normal histological structures of cecal epithelium (arrow) and crypts (arrowhead) with mildly infiltrated lamina propria and submucosa with round cells in G5. Scale bar 100 μm. (C,E,G) Scale bar 20 μm.