Cranbury, NJ Other Information. 1  Located in MIDDLESEX County, New Jersey. 2  Cranbury, NJ is also known as: 3  E WINDSOR, NJ.  EAST WINDSOR, NJ.
A mast cell is part of a group of cells called leucocytes. Leucocytes are white blood cells and are found in the blood plasma with erythrocytes, red blood cells. Mast cells have immunological functions, or they are part of the immune system. They form part of an early warning system.
Mast cell. Written By: Mast cell, tissue cell of the immune system of vertebrate animals. Mast cells mediate inflammatory responses such as hypersensitivity and allergic reactions. They are scattered throughout the connective tissues of the body, especially beneath the surface of the skin, near blood vessels and lymphatic vessels, within nerves, throughout the respiratory system, and in the digestive and urinary tracts.