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At the carboxyl terminus of B-cell expressed Ig is a region that holds the antibody molecule in the cell membrane. Secreted 'free' antibodies do not possess this region. The '''Fab''' fragments of the immunoglobulin is the '''antigen binding fragment''' generated from the light chains when digested by papain (proteolytic enzyme). The  '''Fc''' fragment is the fragment produced by '''papain from the heavy chains''' and this fragment '''mediates phagocytosis''', triggers '''inflammation''', activates '''[[Complement|complement]]''' and '''targets Ig''' to certain tissues.

At the carboxyl terminus of B-cell expressed Ig is a region that holds the antibody molecule in the cell membrane. Secreted 'free' antibodies do not possess this region. The '''Fab''' fragments of the immunoglobulin is the '''antigen binding fragment''' generated from the light chains when digested by papain (proteolytic enzyme). The  '''Fc''' fragment is the fragment produced by '''papain from the heavy chains''' and this fragment '''mediates [[Phagocytosis|phagocytosis]]''', triggers '''inflammation''', activates '''[[Complement|complement]]''' and '''targets Ig''' to certain tissues.

==Function==

==Function==