The coccyx is what we refer to as the tailbone.
The medical term meaning pertaining to the tailbone is coccygeal. The proper name for the tailbone is coccyx.
Coccyx is the scientific name for the tailbone. The jawbone is called the mandible in scientific terms.
Coccyx
the cocyx is the tailbone
Coccyx
That would be the Coxyx - pronounced 'cocksix'
Tailbone surgery helps to correct persistent pain in the tailbone area, this is often the last resort after trying non surgical treatments and activities or modifications that have not successfully alleviated the pain.
the tailbone wont always be numb sometimes it will be very painful to walk sit or even stand!
It is called the Coccyx.
Spleen
coccyx