Pisiform in a sentence as a noun

I've even grown a callous where the pisiform bone in the hand is due to the amount of mouse work I've done on a computer, which was unexpected to say the least, and RSI in the wrists from typing at a keyboard is very real, with no solutions from doctors when seeking their advice, which is why I've looked into things like the above, myself.

Pisiform definitions

noun

a small wrist bone that articulates only with the triquetral