2-After : Notice how the cancer is completely flattened and totally destroyed. During the killing process, granules in a T-Cell fuse with the cell membrane and release units of the protein PERFORIN. These combine to form pores in the target cell membrane. Thereafter fluid and salts enter so that the target cell eventually bursts

1-before: A fully intact cancer cell surrounded by the immune systems killer t-cells.The cancer cell is surrounded and attacked by the killer T-Cells of the immune system. Scanning electron microscope pictures shows killer t-cells attacking the cancer cell. Notice the tenticles of the cancer cell.

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