system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
IgE is secreted by
assistant
The correct answer is  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 distribution*Normal serum contains only traces (a few nanogramsper ml) but greatly elevated levels are seen in atopic(type 1 allergic) conditions such as, hay fever and eczema.