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appendix necklace | silver pp_DNA anyone curious about why DNAAppendix necklace sterling silver For most of the twentieth century, the appendix was the canonical example of a vestigial organ. The view has shifted. Concentrated lymphoid tissue, a position at the ileocaecal junction, and a now suspected role as a reservoir for gut microbiota make the appendix one of the more interesting structures in clinical anatomy. The Anatomy of the Appendix The appendix is a finger like blind ended tube arising from the