Appendicitis is inflammation of the vermiform appendix (or just the appendix, for short), a little structure within the lower gastrointestinal tract. In appendicitis, the appendix swells, causing a ...

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Based on: The Vermiform Appendix and Its Diseases. By Howard A. Kelly, A.B., M.D., Professor of Gynecology in the Johns Hopkins University, Baltimore, and E. Hurdon ...

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Darrah, L. W. — Assistant Physician, Gardner State Hospital. For record and address of author see "This Week's Issue," page 796.