Fig. 3From: Life-threatening gastrointestinal bleeding caused by jejunal heterotopic gastric mucosa in an adult dog: a rare case reportArea of heterotopic gastric mucosa showing unorganized arrangement of the different epithelial cell types and ulceration accompanied by acute bleeding into the intestinal lumen, hyperemia and neutrophilic and lymphoplasmacellular infiltration. Hematoxylin–Eosin, bar = 80 µmBack to article page