Medical Definition of oligoclonal
1: cloned or derived from one or a few cells or molecules oligoclonal T cells oligoclonal lymphomas
2: of, relating to, or being any small group of proteins that migrate close together during electrophoresis producing closely placed bands on the electrophoretogram oligoclonal immunoglobulins
oligoclonality\-klō-ˈnal-ət-ē\play noun plural
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