myelocyte

As nouns the difference between myelocyte and monocyte

is that myelocyte is a large cell, found in bone marrow, that becomes a granulocyte when mature while monocyte is (immunology|cytology) a type of blood leukocyte that differentiates into a macrophage.

As nouns the difference between myelocyte and myeloblast

is that myelocyte is a large cell, found in bone marrow, that becomes a granulocyte when mature while myeloblast is an immature cell of bone marrow that develops into a myelocyte.