<prompt> Which is a large granular lymphocyte?NK cellB-lymphocyteT-lymphocyteMacrophage  <response>: Ans. a NK cellRef: Wintrobes clinical hematology - 12th ed, pg 300; Robbins 9thpg 192; 8thpg 188Most lymphocytes in blood are small 10mm, while some are large, known as large granular lymphocytes LGL, as they contain azurophilic granules in their cytoplasm.These cells are LGL type of natural killer NK cells. 