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Tongue - Hyperkeratosis - Gallery

Image of hyperkeratosis in the tongue from a female F344/N rat in a chronic study
Tongue - Hyperkeratosis in a female F344/N rat from a chronic study. The keratin layer on the surface of the tongue is thickened (arrow).
Image of hyperkeratosis in the tongue from a female F344/N rat in a chronic study
Tongue - Hyperkeratosis in a female F344/N rat from a chronic study (higher magnification of Figure 1). The hyperkeratosis is orthokeratotic, lacking nuclei.
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.