ANATOMY

Detailed explanation-1: -leukocyte (n.) also leucocyte, “white blood cell, white or colorless corpuscle of the blood or lymph, ” 1860, via French leucocyte, from leuco-, a Latinized combining form of Greek leukos “white, clear, ” from PIE root *leuk-“light, brightness” +-cyte “cell."

Detailed explanation-2: -Also called WBC and white blood cell.

Detailed explanation-3: -leukocyte (n.) also leucocyte, “white blood cell, white or colorless corpuscle of the blood or lymph, ” 1860, via French leucocyte, from leuco-, a Latinized combining form of Greek leukos “white, clear, ” from PIE root *leuk-“light, brightness” +-cyte “cell."

Detailed explanation-4: -The white blood cells are called leukocytes (from the Greek “leukos” meaning “white” and “kytos, ” meaning “cell”). The granular leukocytes (eosinophils, neutrophils, and basophils) are named for the granules in their cytoplasm; the agranular leukocytes (monocytes and lymphocytes) lack cytoplasmic granules.