Colored scanning electron micrograph (SEM) of squamous cell carcinoma (cancer) cells from a human mouth. The many blebs (lumps) and microvilli (small projections) on the cells' surfaces are typical of cancer cells.

Mouth Cancer Cells, Sem Canvas Print / Canvas Art by Science Photo Library

Colored scanning electron micrograph (SEM) of squamous cell carcinoma (cancer) cells from a human mouth. The many blebs (lumps) and microvilli (small projections) on the cells' surfaces are typical of cancer cells.

Immune system fighting a cancer cell. A killer T-lymphocyte (orange) inducing a cancer cell to undergo Programmed Cell Death.

Immune system fighting a cancer cell. A killer T-lymphocyte (orange) inducing a cancer cell to undergo Programmed Cell Death.

Cancer cell division. Each little bump is a small part of the cell trying to divide again...this is why cancer is "uncontrolled growth"

Cancer cell division. Each little bump is a small part of the cell trying to divide again...this is why cancer is "uncontrolled growth"

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