Oral Mucosa - Ulcer - Gallery

Oral mucosa - Ulcer in a female F344/N rat from a chronic study. A portion of the hard palate mucosa is absent (arrow), exposing the underlying connective tissue.

Oral mucosa - Ulcer in a female F344/N rat from a chronic study (higher magnification of Figure 1). A portion of the hard palate mucosa is absent, exposing the underlying connective tissue.