heavy chain

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heavy chain

n.
Either of the two larger polypeptide chains in an immunoglobulin molecule, consisting of a variable region that contains the antigen-binding portion and a constant region that is specific to each immunoglobulin class or subclass.

heavy chain

n
(Medicine) immunol a type of polypeptide chain present in an immunoglobulin molecule
References in periodicals archive ?
Five types of immunoglobulin heavy chains have been identified: gamma, alpha, mu, delta and epsilon.
The antisera specificities in this assay were reported to be 10 000-fold higher for FLCs than for light chains bound to immunoglobulin heavy chains.
All 6 cases were positive for CD20 and monoclonal immunoglobulin heavy chains.

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