a form of white blood cell, which is found in every human body
an immune cell which normally can be found in the skin, lungs, liver, spleen, lymph glands, bone marrow and blood stream
A Histiocyte is a cell that is part of the human immune system. All categories of Histiocytes are derived from the bone marrow by multiplication from a stem cell. The derived cells migrate from the bone marrow to the blood as monocytes.