Monocytes are a type of white blood cell, part of the human body's immune system. They are usually identified in stained smears by their large two-lobed nuclei. They are a kind of reserve cell which turn into macrophages and immune helper cells called dendritic cells.
Monocytes work at two speeds in the immune system:
Half of all monocytes are stored as a reserve in the spleen; the rest are circulating or in tissues. view more...