abnormal plasmacytoid dendritic cell morphology MP:0004242 MPheno.ontology abnormal DC2 abnormal T-associated plasma cells abnormal lymphoid dendritic cell abnormal pDC abnormal plasmacytoid T cell abnormal plasmacytoid monocytes any structural anomaly of phagocytic dendritic cells that are morphologically similar to plasma cells, but do not express B lineage markers, and produce large amounts of alpha/beta interferons (IFN-/) in response to viral and bacterial stimuli; plasmacytoid dendritic cells are found in the thymic medulla and lymph node T cell areas and are responsible for immune tolerance abnormal dendritic cell morphology