Figure 3

The mean number of PCNA positive nuclei by cell type ( i.e. epithelial cell, fibroblast or mast cells) in the intestines of infected Salmo trutta trutta at the site of parasite attachment and at points further away. Error bars represent 95% confidence intervals (CI) about the mean. Abbreviations: ●, sites at a distance from the point of parasite attachment; □, sites close to the point of parasite attachment.