mastcellernas
Mast cells are a type of white blood cell that play a crucial role in the immune system, particularly in allergic reactions and defense against pathogens. They are found in connective tissues throughout the body, with high concentrations in areas that interface with the external environment, such as the skin, lungs, and gastrointestinal tract. Mast cells are characterized by their abundant granules, which contain a variety of potent mediators.
These mediators include histamine, heparin, proteases, and cytokines. When a mast cell is activated, typically by
Mast cells are also involved in immunity to parasites and bacteria. They can participate in wound healing