Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia. The appendix has no known wbcs geography study material pdf in the body, but it can become diseased.
Appendicitis is a medical emergency, and if it is left untreated the appendix may rupture and cause a potentially fatal infection. One person in 15 develops appendicitis in his or her lifetime. The incidence is highest among males aged 10-14, and among females aged 15-19. More males than females develop appendicitis between puberty and age 25.