What is appedextrious?

"Appendextrious" is not a real word. It's likely a misspelling or a made-up word.

It's possible you meant:

* Appendicitis: This is a medical condition where the appendix becomes inflamed.

* Appendiectomy: This is a surgical procedure to remove the appendix.

If you have any further information or context, please provide it so I can help you further.