Figure 4From: Induction of lung lesions in Wistar rats by 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone and its inhibition by aspirin and phenethyl isothiocyanate Transmission electron microscopy of proliferated cells in Wistar rats exposed to NNK. The proliferated cells had lamellar body-like structures (arrows). Magnification × 4000.Back to article page