braincells's Usage Examples:

com/music-interviews/rock-n-roll-kill-braincells-louise-wener-sleeper-2444615 Trakin, Janet (1 May 1995).

The Nightfighter's battle cry being "Hold on to your braincells!", a homage to the Thing's trademark "It's clobbering time".

the tendency for supporting braincells like astrocytes to encapsulate the implant.

(This is a natural response for braincells, in order to protect neurons).

specifically the degeneration of synapse connections between neuronal braincells in Alzheimer's disease.

com/features/does-rock-n-roll-kill-braincells-megaman-so-solid-crew-2651154 https://daily.