Nose, Olfactory Epithelium - Hyperplasia, Basal Cell - Gallery

Nose, Olfactory epithelium - Hyperplasia, Basal cell in a male F344/N rat from a subchronic study. Proliferation of basal cells is present just above the basement membrane of the olfactory mucosa (arrow).

Nose, Olfactory epithelium - Hyperplasia, Basal cell in a male F344/N rat from a subchronic study. A focal area of proliferation of basal epithelial cells (arrow) is present in the olfactory mucosa.