Reproductive System, Male

Epididymis - Hypospermia

    Narrative
    Epididymis - Hypospermia. A reduced number of sperm in the epididymis in a male B6C3F1 mouse from a subchronic study.
    Epididymis - Hypospermia. Higher magnification of Figure 1. A reduced number of sperm in the epididymis in a male B6C3F1 mouse from a subchronic study.
    Epididymis - Hypospermia. A reduced number of sperm in the epididymis in a male F344/N rat from a subchronic study.
    Epididymis - Hypospermia. Higher magnification of Figure 3. There is absence of sperm in this epididymal duct in a male F344/N rat from a subchronic study.

    Authors:

    Dianne M. Creasy, PhD, Dip RCPath, FRCPath
    Dianne Creasy Consulting LLC
    Pipersville, PA

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

    Dipak K. Giri, DVM, PhD, DACVP
    Toxicologic Pathologist
    Integrated Laboratory Systems, Inc.
    Research Triangle Park, NC

    Reviewers:

    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

    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