<prompt> IgE is secreted byMast cellBasophilsEosinophilsPlasma cells  <response>: All the antibodies are secreted by plasma cells.IgE is also secreted by plasma cells Mast cellsexpress a high-affinity receptor FceRI for the Fc region ofIgE. hence mostly mast cellsare found coated with IgE . It is mostly extravascular in distributionNormal serum contains only traces a few nanogramsper ml but greatly elevated levels are seen in atopictype 1 allergic conditions such as, hay fever and eczema. 