Figure 1From: Gastric Helicobacter species associated with dogs, cats and pigs: significance for public and animal healthUlcer formation at the level of the pars oesophagea in slaughter pigs. A normal mucosa; the pars oesophagea is delineated by a black dotted line, B severe hyperkeratosis, C hyperkeratosis with few erosions (erosions are indicated by black arrows), D hyperkeratosis with several erosions (erosions are indicated by black arrows), E ulceration.Back to article page