¹ Source: wiktionary.com
Definition of Immunoglobulins
1. immunoglobulin [n] - See also: immunoglobulin
Medical Definition of Immunoglobulins
1. Any of the structurally related glycoproteins that function as antibodies. They are divided into five classes (IgA, IgD, IgE, IgG, IgM) on the basis of structure and biological activity. (12 Dec 1998)