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Parathyroid Gland - Hyperplasia, Diffuse - Gallery

Image of hyperplasia, diffuse in the parathyroid gland from a male F344/N rat in a chronic study
Parathyroid gland - Hyperplasia, Diffuse in a male F344/N rat from a chronic study. The parathyroid gland is increased in volume.
Image of hyperplasia, diffuse in the parathyroid gland from a male F344/N rat in a chronic study
Parathyroid gland - Hyperplasia, Diffuse in a male F344/N rat from a chronic study. Enlarged nests of mildly hypertrophic parathyroid chief cells (arrows) have an increased cytoplasmic-to-nuclear ratio, and the intervening fibroreticular stroma is less apparent than normal.
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.