Fig. 10From: Comparative carcinogenicity study of a thick, straight-type and a thin, tangled-type multi-walled carbon nanotube administered by intra-tracheal instillation in the ratH&E section of a bronchiolo-alveolar cell carcinoma in a rat treated with 1.0 mg MWCNT-B showing invasion of the surrounding lung tissue. For an in-depth discussion of these lesions, see Ref [22]Back to article page