Immune System

Lymph Node - Lymphatic Sinus, Ectasia

    Narrative
    Lymph node - Lymphatic sinus, Ectasia in a treated female F344/N rat from a subchronic study. Subcapsular sinuses are ectatic (arrow).
    Lymph node - Lymphatic sinus, Ectasia in a treated female B6C3F1/N mouse from a chronic study. Medullary sinuses are ectatic (arrow).

    Authors

    Kristen Hobbie, DVM, PhD
    Principal Pathologist
    Huntingdon Life Sciences
    Peterborough, UK

    Susan A. Elmore, MS, DVM, DACVP, DABT, FIATP
    Staff Scientist, NTP Pathologist
    NTP Pathology Group
    National Toxicology Program
    National Institute of Environmental Health Sciences
    Research Triangle Park, NC

    Holly M. Kolenda-Roberts, DVM, PhD, DACVP
    Veterinary Pathologist
    SNBL USA
    Everett, WA

    Reviewers

    Jerrold M. Ward, DVM, PhD, DACVP, FIATP
    Veterinary Pathologist
    Global VetPathology
    Montgomery Village, MD

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