foveolar and superficial epithelia heavily infected with clos showed peculiar ultrastructural changes ( micropapillary hyperplasia with luminal bulging of mucous cells , cytoplasmic vacuolization and edema , etc . ) suggesting a direct link between clo infection and epithelial damage , which in turn may have a role in the genesis of mucosal inflammation .
C0038999
bulging
C0013604
edema