1. White blood cells that lack visible granules in their cytoplasm when viewed under a microscope; includes lymphocytes and monocytes.
Usage: medical/scientific term; plural form; singular is agranulocyte; used in hematology and clinical medicine

Examples

• Agranulocytes make up about 30% of the total white blood cell count in healthy adults.
• The laboratory technician identified agranulocytes by their lack of visible granules under the microscope.
• Lymphocytes and monocytes are the two main types of agranulocytes.
• An increase in agranulocytes may indicate a viral infection or certain immune disorders.
• The differential white blood cell count distinguishes between granulocytes and agranulocytes.