Keywords: Waldeyer's lymphatic ring, palatal tonsils, adenoids, immunology

Abstract: The authors approach some aspects of the microstructure of adenoids and palatal tonsils, as well as immunological physiology of these lymphatics. Also are analyzes face to references in the literature, the possible changes in the induction process in immunoglobulin production in inflammatory and hyperplastic processes. They also mention the repercussion of tonsil and adenoid removal on immunological and systemic functions and protection of the body, as well as mention present surgical indications for the lymphoid agglomerate of Waldeyer's ring.