Appendix
From Tardis Wiki, the free Doctor Who reference
Mark Elgin had appendix problems, and so was at the Newport General Hospital during the conclusion of the Llanfairfach Incident. (HOMEVID: Global Conspiracy?)
While deceiving Darius Pike into giving him K9 Mark 2's regeneration unit, Thorne called it the "cybernetic equivalent of an appendix". (TV: Hound of the Korven)
