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Basal cell carcinoma shown as a cube of skin cut open to reveal tumor nests lying beneath the epidermis in the dermis. A large cluster of pebbled tumor cells fills the center, wrapped in swirling bands of connective tissue, with small glands and vessels cut in cross section around it. The thin top layer of skin runs across the surface. A useful teaching block for dermatology and pathology classes, a medical desk or a skin cancer awareness display.

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