Objective Evaluation of the frequency of the relative positions and length of vermiform appendix in a group of corpses examined by the authors. Method Dissection of 377 adult cadavers autopsied. Results and conclusions Retrocecal: 43.5%; subcecal: 24.4% post-ileal: 14.3%, pelvic: 9.3%; paracecal: 5.8%; and pre-ileal appendices: 2.4%, other positions: 0.27%, mean length: 11.4 cm.

In areas of Leishmania chagasi transmission the ability to control leishmania infection is associated with IFN-g production. In visceral leishmaniasis down-regulation of T cell responses is mediated by . In this study we evaluated the lymphoproliferative response, IFN-g and IL-

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