Esophagus - Ulcer - Gallery

Esophagus - Ulcer in a female F344/N rat from a chronic study. A portion of the epithelium is missing (arrow).

Esophagus - Ulcer in a female F344/N rat from a chronic study (higher magnification of Figure 1). The ulcerated region (arrow) is flanked by a region with regeneration (arrowhead).

Esophagus - Ulcer in a female F344/N rat from a chronic study. A portion of the epithelium is missing (arrow), and only the overlying keratin remains.