Top Definition
Programmed cell death as signalled by the nuclei in normally functioning human and animal cells when age or state of cell health and condition dictates.
Cellular Suicide.
-I can't quite make out what Billy wrote down in his biology notes....ahhh, apoptosis. Of course.
by JohnnyC February 08, 2005

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
when cells get depressed that there are too many of them and kill themselves.
apoptosis:
Tom (cell 1): I hear cell population is skyrocketing!!!
Johnny(cell 2): I know, I hate myself.........*POOF*
Tom (cell 1): JOHNNY?!?!?!?!?!?! NOOOOOOOO!!!!!!!!!!!!!!!
by fahshizzle November 11, 2010

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt