Reproductive System, Male

Testis, Seminiferous Tubule - Retention, Spermatid

    Narrative
    Testis, Seminiferous tubule - Retention, Spermatid in a male Sprague-Dawley rat. Retention of elongated spermatids is present in a stage XI seminiferous tubule. (Photograph courtesy of Dr. D. Creasy.)
    Testis, Seminiferous tubule - Retention, Spermatid in a male Sprague-Dawley rat. Retention of elongated spermatids in the basal region of a stage XII seminiferous tubule. (Photograph courtesy of Dr. D. Creasy.)
    Testis - Normal in a male Sprague-Dawley rat. Control stage XI tubule for comparison with Figure 1. (Photograph courtesy of Dr. D. Creasy.)
    Testis - Normal in a male Sprague-Dawley rat. Control stage XII tubule for comparison with Figure 2. (Photograph courtesy of Dr. D. Creasy.)

    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