Alimentary System

Oral Mucosa - Inflammation

    Narrative
    Oral mucosa - Inflammation, Suppurative in a male F344/N rat from a chronic study. There is an area of suppurative inflammation with necrosis and bacterial organisms (arrow).
    Oral mucosa - Inflammation, Suppurative in a male F344/N rat from a chronic study. There is an area of suppurative inflammation with necrosis and fungal organisms (arrow).
    Oral mucosa - Inflammation, Chronic active in a male F344/N rat from a chronic study. There is chronic active inflammation subjacent to a mucosal ulceration (arrow).
    Oral mucosa - Inflammation, Chronic active in a male F344/N rat from a chronic study (higher magnification of Figure 3). There are neutrophils and mononuclear cells subjacent to a mucosal ulceration (arrow).

    Authors:

    Linda H. Kooistra, DVM, PhD, DACVP
    Pathologist
    Charles River Laboratories, Inc.
    Research Triangle Park, NC

    Abraham Nyska, DVM, Diplomate ECVP, Fellow IATP
    Expert in Toxicologic Pathology
    Visiting Full Professor of Pathology
    Sackler School of Medicine, Tel Aviv University Timrat Israel

    Reviewers:

    Joel R. Leininger, DVM, PhD
    Senior Pathologist
    MedImmune
    Washington, DC

    Amy Brix, DVM, PhD, DACVP
    Senior Pathologist
    Experimental Pathology Laboratories, Inc.
    Research Triangle Park, NC