Mast cell

Mast cells are present in most tissues surrounding blood vessels and nerves, and are play an important role in the mucosal immune system.

Mastocytosis

<references>

mastocytosis A type of mast cell disease in which chronic symptoms are related to overproduction or over-accumulation of mast cells. Not to be confused with Mast Cell Activation Syndrome (MCAS), where there are normal numbers of mast cells, but abnormal activity.