![Sheldon, this beaker used
to contain cerebral spinal fluid
Sheldon, this beaker used
to contain cerebral spinal fluid](https://content2.mcqstudy.com/ss/tbbt-5-16-00:13:12.769.jpeg)
Sheldon, this beaker used
to contain CEREBRAL spinal fluid
The Big Bang Theory Season 5, Episode 16
![but since my cerebral cortex is
twiddling its proverbial thumbs,
but since my cerebral cortex is
twiddling its proverbial thumbs,](https://content2.mcqstudy.com/ss/tbbt-7-20-00:12:15.677.jpeg)
but since my CEREBRAL cortex is
twiddling its proverbial thumbs,
The Big Bang Theory Season 7, Episode 20
![My 15-year-old son
has cerebral palsy.
My 15-year-old son
has cerebral palsy.](https://content2.mcqstudy.com/ss/bb-2-3-00:26:34.717.jpeg)
My 15-year-old son
has CEREBRAL palsy.
Breaking Bad Season 2, Episode 3