Mast Cell (Noun)
Meaning
A large connective tissue cell that contains histamine and heparin and serotonin which are released in allergic reactions or in response to injury or inflammation.
Classification
Nouns denoting body parts.
Examples
- Mast cells play a crucial role in the immune system by releasing mediators such as histamine during allergic reactions.
- The degranulation of mast cells results in the release of various chemical mediators, including histamine and serotonin.
- Mast cells are often found in connective tissue near blood vessels and nerves, allowing them to rapidly respond to injury or inflammation.
- In allergic reactions, mast cells recognize and bind to antigens through IgE antibodies on their surface, leading to degranulation and mediator release.
- The activation of mast cells contributes to the development of various allergic diseases, including asthma, rhinitis, and atopic dermatitis.