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What is Immunoglobulin M (IgM Antibody)? Immunoglobulin M (IgM) is a crucial component of the immune response to exogenous pathogens. It is one of several isotypes of antibodies, also called immunoglobulins, produced by vertebrates. IgM is the first antibody produced during an immune response and functions as an antigen receptor on B cells. Mature B lymphocytes express IgM as a transmembrane antigen receptor at rest, constituting a portion of the B-cell receptor (BCR). B cell activation ... SEA IGM is an e-commerce portal of the Indian Customs that allows users to track their shipments online. Users need to select a location, enter a master bill number and an image letter to access the enquiry service. Natural immunoglobulin M (IgM) antibodies are pentameric or hexameric macro-immunoglobulins and have been highly conserved during evolution. IgMs are initially expressed during B cell ontogeny and are the first antibodies secreted following exposure to foreign antigens. Disclaimer - For reasons of sensitivity and confidentiality, Query details are available only in the importer's/Custom Broker's login.
