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Tooth - Periodontal Pocket - Gallery

Image of periodontal pocket in the tooth from a male F344/N rat in a chronic study
Tooth - Periodontal pocket in a male F344/N rat from a chronic study. The opening of the pocket (arrow) to the oral cavity is not apparent because of the plane of section.
Image of periodontal pocket in the tooth from a male F344/N rat in a chronic study
Tooth - Periodontal pocket in a male F344/N rat from a chronic study (higher magnification of Figure 1). The periodontal pocket is lined by squamous epithelium (arrowhead and contains hair shafts (arrow).
Image of periodontal pocket in the tooth from a male F344/N rat in a chronic study
Tooth - Periodontal pocket in a male F344/N rat from a chronic study. The opening of the pocket (arrow) to the oral cavity is adjacent to the tooth.
Image of periodontal pocket in the tooth from a male F344/N rat in a chronic study
Tooth - Periodontal pocket in a male F344/N rat from a chronic study (higher magnification of Figure 3). The pocket is lined by keratinizing squamous epithelium (arrow) and is surrounded by fibrosis and chronic inflammation.
Image of periodontal pocket in the Tooth from a male F344/N rat in a chronic study
Tooth - Periodontal pocket in a male F344/N rat from a chronic study (higher magnification of Figure 3). Hair shafts (arrow) are embedded in the periodontal tissue at the opening of the pocket.
Image of periodontal pocket in the tooth from a male F344/N rat in a chronic study
Tooth - Periodontal pocket in a male F344/N rat from a chronic study (higher magnification of Figure 3). Hair shafts (arrows) are embedded in the periodontal tissue.
Image of periodontal pocket in the tooth from a male F344/N rat in a chronic study
Tooth - Periodontal pocket in a male F344/N rat from a chronic study. The opening of the pocket (arrow) to the oral cavity is not apparent because of the plane of section.
Image of periodontal pocket in the tooth from a male F344/N rat in a chronic study
Tooth - Periodontal pocket in a male F344/N rat from a chronic study (higher magnification of Figure 7). The periodontal pocket is lined by hyperplastic, keratinizing squamous epithelium and contains feed material.
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.