∞ generated and posted on 2016.03.18 ∞

Apoptosis-inducing proteases released by cytotoxic lymphocytes.

These cytotoxic lymphocytes include not just cytotoxic T lymphocytes but also natural killer cells. Granzymes are secreted proteins that act intracellularly on target cells.

The following video is a cute rendering of apoptosis, complete with a sampling from the finale of Tchaikovsky's "1812 Overture" [listen]: