Endocrine System

Parathyroid Gland - Ectopic Tissue

    Narrative
    Parathyroid Gland - Ectopic Tissue, Thymus in a female B6C3F1 mouse from a subchronic study. A large piece of ectopic thymus with pronounced basophilic staining is adjacent to the parathyroid and thyroid, and a small focus of ectopic thymus is present within the parathyroid parenchyma (arrow).
    Parathyroid Gland - Ectopic Tissue, Thymus in a female B6C3F1 mouse from a subchronic study. A large piece of ectopic thymus with pronounced basophilic staining is adjacent to the parathyroid and thyroid, and a small focus of ectopic thymus is present within the parathyroid parenchyma (arrow).
    Parathyroid Gland - Ectopic Tissue, Thymus in a female B6C3F1 mouse from a subchronic study. This higher magnification of Figure 1 shows the focus of ectopic thymus in the parathyroid (arrow) along with an adjacent collection of lymphocytes (arrowhead).
    Parathyroid Gland - Ectopic Tissue, Thymus in a female B6C3F1 mouse from a subchronic study. This higher magnification of Figure 1 shows the focus of ectopic thymus in the parathyroid (arrow) along with an adjacent collection of lymphocytes (arrowhead).

    Authors

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

    Georgette D. Hill, D.V.M., Ph.D.
    Toxicologic Pathologist/Assistant Pathology Program Manager
    Comparative Molecular Pathology Division
    Integrated Laboratory Systems, Inc.
    Research Triangle Park, NC

    Reviewers

    Thomas J. Rosol, DVM, PhD, DACVP
    Professor of Veterinary Biosciences
    Senior Advisor, Life Sciences, Technology Commercialization and Knowledge Transfer
    The Ohio State University
    Columbus, OH

    Amy Brix, DVM, PhD, DACVP
    Senior Pathologist
    Experimental Pathology Laboratories, Inc.
    Research Triangle Park, NC