apoptosis definition by Wordo

Noun

A

process

of

programmed

cell

death

by

which

cells

undergo

an

ordered

sequence

of

events

which

leads

to

death

of

the

cell

,

as

occurs

during

growth

and

development

of

the

organism

,

as

a

part

of

normal

cell

aging

,

or

as

a

response

to

cellular

injury

.