Fig. 6From: Isolation and characterization of two canine melanoma cell lines: new models for comparative oncologyImmunohistochemical analysis of Ocr_OCMM1 (a, c) and Ocr_OCMM2 (b, d) engrafted tumors. Hematoxilin & Eosin and Melan-A colorations show a large, diffuse and heterogenous staining of the tumor mass tissue. Observation under light microscope (magnification X200)Back to article page