Mast cell
| Mast cell | |
|---|---|
| Term | Mast cell |
| Short definition | Dimensions - (pronounced) (mas) In medicine, a knot in the body. It can be caused by abnormal cell growth, a cyst, hormonal changes, or an immune response. |
| Type | Cancer terms |
| Specialty | Oncology |
| Language | English |
| Source | NCI |
| Comments | |
mast cell - (pronounced) (mast choice) type of white blood cell found in connective tissues throughout the body, especially under the skin, near blood and lymphatic vessels, in nerves, and in the lungs and intestines. Mast cells play an important role in the immune system's response to certain bacteria and parasites, and help control other types of immune responses. They contain chemicals like histamine, heparin, cytokines and growth factors. You release these chemicals during allergic reactions and certain immune responses. These chemicals have many effects, including blood vessel dilation and angiogenesis. During an allergic reaction, they can cause flushing (a hot, red face) and itching. In large amounts, they can also cause abdominal cramps, muscle pain, nausea, vomiting, diarrhea, low blood pressure, and shock. Mast cells are part of the body's immune system
External links
- Medical encyclopedia article on Mast cell
- Wikipedia's article - Mast cell
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