. "\"A series of molecular signals in which a signal is conveyed from the cell surface to trigger the apoptotic death of a cell. The pathway starts with a ligand binding to a death domain receptor on the cell surface, and ends when the execution phase of apoptosis is triggered.\" [GOC:mah, GOC:mtg_apoptosis]" . . "extrinsic apoptotic signaling pathway via death domain receptors" . "induction of apoptosis via death receptors" . . "induction of apoptosis via death domain receptors" . "death receptor-mediated apoptosis" .