Alimentary System

Stomach, Forestomach - Hyperkeratosis

    Narrative
    Stomach, Forestomach - Hyperkeratosis in a male F344/N rat from a subchronic study. A thickened keratin layer in the forestomach associated with epithelial hyperplasia.
    Stomach, Forestomach - Hyperkeratosis in a male B6C3F1 mouse from a chronic study. A thickened keratin layer in the forestomach associated with epithelial hyperplasia.

    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