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Nose - Inflammation - Gallery

Image of inflammation in the nose, respiratory epithelium from a male F344/N rat in a chronic study
Nose, Respiratory epithelium - Inflammation, Suppurative in a male F344/N rat from a chronic study. This lesion is a unilateral, ventral, suppurative inflammatory cell response that contains a foreign body (arrow).
Image of inflammation in the nose, respiratory epithelium from a male F344/N rat in a chronic study
Nose, Respiratory epithelium - Inflammation, Suppurative in a male F344/N rat from a chronic study (higher magnification of Figure 1). Splendore-Hoeppli material (arrow) is present in the neutrophilic infiltrate.
Image of inflammation in the nose, respiratory epithelium from a male F344/N rat in a chronic study
Nose, Respiratory epithelium - Inflammation, Suppurative in a male F344/N rat from a chronic study. The suppurative inflammation in the ventral nasal cavity is associated with bone necrosis (arrow).
Image of inflammation in the nose, olfactory epithelium from a female F344/N rat in a chronic study
Nose, Olfactory epithelium - Inflammation, Suppurative in a female F344/N rat from a chronic study. There is a proliferative epithelial reaction to the suppurative inflammation in the ventral nasal cavity.
Image of inflammation in the nose, olfactory epithelium from a female F344/N rat in a chronic study
Nose, Olfactory epithelium - Inflammation, Suppurative in a female F344/N rat from a chronic study (higher magnification of Figure 4). Epithelial hyperplasia is associated with the suppurative inflammation in the ventral nasal cavity.
Image of inflammation in the nose, olfactory epithelium from a male F344/N rat in a chronic study
Nose, Olfactory epithelium - Inflammation, Suppurative, and Nose, Respiratory epithelium - Inflammation, Suppurative in a male F344/N rat from a chronic study. In addition to the suppurative reaction in the nasal cavity, the nasopharyngeal duct is also affected.
Image of inflammation in the nose, olfactory epithelium from a male F344/N rat in a chronic study
Nose, Olfactory epithelium - Inflammation, Suppurative in a male F344/N rat from a chronic study. A pronounced epithelial proliferative reaction is present secondary to the suppurative inflammation.
Image of inflammation in the nose, respiratory epithelium from a male B6C3F1/N mouse in a chronic study
Nose, Respiratory epithelium - Inflammation, Acute in a male B6C3F1/N mouse from a chronic study. Neutrophils are present within the mucosal epithelium.
Image of inflammation in the nose, olfactory epithelium from a male F344/N rat in a chronic study
Nose, Olfactory epithelium - Inflammation, Suppurative in a male F344/N rat from a chronic study. This nest of abscesses is a category of suppurative inflammation in which the neutrophilic infiltrates are walled off by connective tissue.
Image of inflammation in the nose, olfactory epithelium from a male B6C3F1/N mouse in a chronic study
Nose, Olfactory epithelium - Inflammation, Chronic in a male B6C3F1/N mouse from a chronic study. Chronic inflammation characterized by exuberant fibrosis is present in the posterior nasal cavity.
Image of inflammation in the nose, olfactory epithelium from a male B6C3F1/N mouse in a chronic study
Nose, Olfactory epithelium - Inflammation, Chronic in a male B6C3F1/N mouse from a chronic study (higher magnification of Figure 10). Some inflammatory cells are associated with the fibrosis in the posterior nasal cavity.
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.