"This stunning Maya animation covers the death receptor signaling pathway that originates with binding of the Fas/TNF family of ligands, triggering of the caspase cascade, cytochrome C release from the mitochondria, apoptosome activation, and ensuing signal amplification."
View the animation movie (35 MB)
This video describes the process by which apoptosis is activated by T cells. This video is from: Janeway's Immunobiology, 7th Edition Murphy, Travers, & Walport. Source: Garland Science.