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Stomach, Forestomach - Ulcer - Gallery

Image of ulcer in the forestomach from a male F344/N rat in a chronic study
Stomach, Forestomach - Ulcer in a male F344/N rat from a chronic study. A portion of the epithelium is absent, exposing the underlying submucosa.
Image of ulcer in the forestomach from a male F344/N rat in a chronic study
Stomach, Forestomach - Ulcer in a male F344/N rat from a chronic study (higher magnification of Figure 1). There is some inflammation associated with the ulcer.
Image of ulcer in the forestomach from a male F344/N rat in a chronic study
Stomach, Forestomach - Ulcer in a male F344/N rat from a chronic study. A large portion of the epithelium is absent, exposing the underlying submucosa.
Image of ulcer in the forestomach from a male F344/N rat in a chronic study
Stomach, Forestomach - Ulcer in a male F344/N rat from a chronic study (higher magnification of Figure 3). A significant amount inflammation is associated with the ulcer, as well as hyperplasia of the adjacent epithelium.
Image of ulcer in the forestomach from a male B6C3F1 mouse in a subchronic study
Stomach, Forestomach - Ulcer in a male B6C3F1 mouse from a subchronic study. A large portion of the epithelium is absent, exposing the underlying submucosa.