<prompt> Plasma cellsContain nucleusHelps in the formation of antibodyAre deficient in cytoplasmAre derived from T cells  <response>: Ref Robbins 8e p183_184;7e p82;9e p191 Plasma cells, also called plasma B cells, plasmocytes, plasmacytes, or effector B cells, are white blood cells that originate in the bone marrow and secrete large quantities of proteins called antibodies in response to being presented specific substances called antigens. 