Nose - Foreign Material - Gallery

Nose - Foreign material in a female F344/NTac rat from an acute study. Free dark brown particulate material is present in the nasal cavity (arrows).

Nose - Foreign material in a female F344/NTac rat from an acute study (higher magnification of Figure 1). The dark brown particulate material (arrows) is associated with proteinaceous material.

Nose, Nasopharyngeal duct - Foreign material in a female F344/NTac rat from an acute study. Dark brown particulate material is present at the base of the nasopharyngeal duct (arrow).