The two types of agranulocytes (characterized by absence of granules in their cytoplasm; contain only sparse, fine granules) are (1) lymphocytes and (2) monocytes.
Lymphocytes are white blood cells that produce antibodies.
The two general types of lymphocytes are T lymphocytes and B lymphocytes. Both forms have important roles in our immunity.
T lymphocytes (T cells) directly attack virus-infected cells or cancerous cell.
B lymphocytes (B cells) produce antibodies against specific antigens.
Also Read: What are Lymphocytes?