Respiratory System

Nose, Turbinate - Synechia

    Narrative
    Nose, Turbinate - Synechia in a male F344/N rat from a subchronic study. There are adhesions of the tips of the nasal turbinates to each other (arrows).
    Nose, Turbinate - Synechia in a male F344/N rat from a subchronic study (higher magnification of Figure 1). An adhesion is present between the two tips of a nasal turbinate, with associated squamous metaplasia of respiratory epithelium.
    Nose, Turbinate - Synechia in a male F344/N rat from a subchronic study. Multiple adhesions are present in the ethmoid turbinates.
    Nose, Turbinate - Synechia in a male B6C3F1/N mouse from a chronic study. There is an adhesion of this maxillary turbinate to the lateral wall.

    Authors

    Rodney A. Miller, DVM, PhD, DACVP
    NC Pathology Group Manager
    Senior Pathologist
    Experimental Pathology Laboratories, Inc.
    Research Triangle Park, NC

    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

    Reviewers

    Robert R. Maronpot, DVM, MS, MPH, DACVP, DABT, FIATP
    Senior Pathologist
    Experimental Pathology Laboratories, Inc.
    Research Triangle Park, NC

    Ronald Herbert, DVM, PhD
    NTP Pathologist
    Group Leader, Pathology Support Group
    Division of the National Toxicology Program
    National Institute of Environmental Health Sciences
    Research Triangle Park, NC