Urinary System

Urinary Bladder - Proteinaceous Plug

    An eosinophilic amorphous proteinaceous plug in the bladder lumen from a male B6C3F1 mouse in a chronic study.
    A proteinaceous plug associated with other flocculent, eosinophilic material, from a male F344/N rat in a 14-day study.


    John Curtis Seely, DVM, DACVP
    Senior Pathologist
    Experimental Pathology 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


    Samuel M Cohen, PHD, MD
    Havlik-Wall Professor of Oncology
    Director of Pathology Residency Program
    Nebraska Medical Center
    Omaha, NE

    David E. Malarkey DVM, PhD, DACVP, FIATP
    Head, National Toxicology Program Pathology Group
    Cellular and Molecular Pathology Branch
    Division of the National Toxicology Program
    National Institute of Environmental Health Sciences
    Research Triangle Park, NC