Nervous System

Brain - Angiectasis

    Narrative
    Incidental angiectasis in a cerebellar vein in a female F344/N rat from a chronic study. The arrows identify ectatic veins containing thrombi.
    Incidental angiectasis in a cerebellar vein in a female F344/N rat from a chronic study. The arrows identify ectatic veins containing thrombi.
    Cerebellum, vein-incidental angiectasis in a female F344/N rat from a chronic study. The arrow identifies the normal-appearing endothelium of the ectatic veins.
    Cerebellum, vein-incidental angiectasis in a female F344/N rat from a chronic study. The arrow identifies the normal-appearing endothelium of the ectatic veins.

    Authors 

    Peter Little, DVM, MS, PhD, DACVP
    Neuropathology Consultant
    Experimental Pathology Laboratories, Inc.  
    Research Triangle Park, NC

    Deepa B. Rao, BVSc, MS, PhD, DABT, DACVP
    NTP Pathologist (Contractor)
    Integrated Laboratory Systems, Inc.
    Research Triangle Park, NC

    Reviewers

    James P. Morrison, DVM, DACVP
    Scientific Director
    Charles River Laboratories, Pathology Associates
    Research Triangle Park, NC

    Robert C. Sills, DVM, PhD, FIATP
    Chief, Cellular and Molecular Pathology Branch
    National Toxicology Program
    National Institute of Environmental Health Sciences
    Research Triangle Park, NC