noun
polymorphonuclear leukocyte
Medical term for a type of white blood cell with a multi-lobed nucleus; often abbreviated as PMN.
多形核球は細菌感染の初期に増加する。
Polymorphonuclear leukocytes increase in the early stages of bacterial infection.
Compound of 多形 (polymorphic) + 核 (nucleus) + 球 (cell), reflecting the cell's multi-lobed nucleus.