noun
myelocyte
A medical term in physiology referring to an immature granulocyte normally found in bone marrow.
骨髄球は骨髄で成熟し、後に好中球などに分化する。
Myelocytes mature in the bone marrow and later differentiate into neutrophils and other cells.
Compound of 骨髄 (bone marrow) and 球 (sphere/cell), a calque from Western medical terminology.