Based on the amount of surface decomp, I guessed gray cells and organs might remain.

Fear has a way of jogging the gray cells.

I shook my head, trying spastically to rattle two gray cells into the same synapse.

You learn new tricks every day; it's surprising what our little gray cells come up with.

But that's the response my gray cells offered.

My gray cells offered a collage of images.

Another image fired up from my gray cells.

A few gray cells offered up a suggestion.

But that's what my gray cells sent up.

My tortured gray cells shot orders, not answers.

There was a reason he hadn't spoken and it had nothing to do with gray cells working.

I've exhausted my little gray cells, then.

Only Agatha Christie could have devised cases worthy of Hercule Poirot's skill and "little gray cells."

The gray cells offered no hypotheses.

Your role is to provide an appreciative audience for my little gray cells, not to steal my thunder.

He was on a case, after all, and he should review his tapes tonight, burn some little gray cells.