Cardiovascular System

Blood Vessel, Artery - Hypertrophy, Medial

    Narrative
    Lung, Artery - Hypertrophy, Medial in a male B6C3F1/N mouse from a subchronic study. The tunica media of two small muscular arteries is thickened.
    Lung, Artery - Hypertrophy, Medial in a male B6C3F1/N mouse from a subchronic study (higher magnification of Figure 1). Medial hypertrophy of two small muscular arteries is apparent; note the lack of inflammation.

    Authors:

    Crystal L. Johnson, DVM, DACVP
    Veterinary Pathologist II
    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:

    Paul W. Snyder, DVM, PhD, Diplomate ACVP, Fellow IATP
    Manager, EPL Midwest
    Senior Pathologist
    Experimental Pathology Laboratories, Inc. 
    West Lafayette, IN

    Mark F. Cesta, DVM, PhD, DACVP
    Staff Scientist, NTP Pathologist
    Cellular and Molecular Pathology Branch
    Division of the National Toxicology Program
    National Institute of Environmental Health Sciences
    Research Triangle Park, NC