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The official Terminologia Anatomica name of the appendix is "Appendix Vermiformis". The appendix, a true diverticulum arising from the posteromedial cecal border, is located in close proximity to the ileocecal valve. The base of the appendix can be reliably located near the convergence of the taeniae coli at the tip of the cecum. The term vermiform is Latin for worm-like[1] and ascribes to its long, tubular architecture. In contrast to an acquired diverticulum, it is a true diverticulum of the colon and contains all of the colonic layers: mucosa, submucosa, longitudinal and circular muscularis propria and serosa. The histological distinction between the colon and the appendix depends upon the presence of B and T lymphoid cells in the appendicular mucosa and submucosa.[2]