... Cytokines Interleukin-6 Tonsil Since the cloning and characterization of interleukin (IL)-17A (also known as IL-17) in 1995 [ 1 ], 5 additional members of the IL-17 family have been described [ 2, 3, 4 ]. Of these, the most recently discovered family member, IL-17F [ 5 ], is very closely related...

...M.J.P. van Kempen; G.T. Rijkers; P.B. van Cauwenberge The adenoid and tonsils are lymphoid tissues located in the pharynx that play an important role in host defense against invading antigens of the upper respiratory tract. Histologically, these structures consist of four well-defined...