agranulocyte
/əˈɡranjʊləsʌɪt/Anatomy and Zoology
noun
A white blood cell or haemocyte that lacks apparent cytoplasmic granules; especially a lymphocyte or monocyte.
Origin
Early 20th century. From a- + granulocyte, after German Agranulocyt (A. Pappenheim Atlas der menschlichen Blutzellen 232; now Agranulozyt).