BIO 669 Exam 1 Questions and Answers 100% Solved | Rated A+
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Course
BIO 669
Institution
BIO 669
BIO 669 Exam 1 Questions and Answers
100% Solved | Rated A+
Cytokines - signaling molecules that regulate innate or adaptive
immunity that are responsible for activating other cells and regulating the
inflammatory response; they help stimulate the response to infection and
tissue damage by gui...
lymphocytes to activate macrophages, which results in increased capacity
to kill infectious agents like viruses (and bacteria); key cytokine; increases
microbicidal activity of macrophages
- Plays important role in how well you can clear infection
Mast cells - ✔✔white blood cells that are the most important cellular
activator of the inflammatory response; cellular bags of granule
- located in the loose connective tissues close to blood vessels (skin,
digestive lining, and respiratory tract)
- their granules contain histamine, cytokines, serotonin, and chemotactic
factors that when released, can lead to a significant inflammatory response
- mediator for pollen, allergic rhinitis, hay fever, etc.
Degranulation of mast cells - ✔✔most common activation of mast cell
chemical release
- the release of the contents of the mast cell granules (histamine, serotonin,
chemotactic factors, cytokines, etc.) in response to a receptor being
engaged that allows for the stimulation of mast cells
- this receptor is frequently an antibody acting as a receptor (e.g. IgE)
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