- Main Entry:
- ap·o·pto·sis

- Pronunciation:
-
\ˌa-pəp-ˈtō-səs, -pə-ˈtō-\
- Function:
- noun
- Inflected Form(s):
- plural ap·o·pto·ses
\-ˌsēz\
- Etymology:
- New Latin, from Greek apoptōsis a falling off, from apopiptein to fall off, from apo- + piptein to fall — more at feather
- Date:
- 1972
: a genetically directed process of cell self-destruction that is marked by the fragmentation of nuclear DNA, is activated either by the presence of a stimulus or removal of a suppressing agent or stimulus, and is a normal physiological process eliminating DNA-damaged, superfluous, or unwanted cells —called also programmed cell death
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ap·o·pto·tic
\-ˈtä-tik\ adjective