: a granulocyte that occurs especially in connective tissue and has basophilic granules containing substances (such as histamine and heparin) which mediate allergic reactions
Examples of mast cell in a Sentence
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Next, Platts-Mills sent some of the blood to the Mayo Clinic lab, which tested it for an enzyme called tryptase that’s made by immune cells called mast cells.
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Brenda Goodman, CNN Money, 14 Nov. 2025
The medication works by destabilizing mast cells, or allergy cells, to decrease allergic inflammation, says Rauno Joks, MD, an allergist and immunologist at NYC Health + Hospitals/Kings County in Brooklyn, New York, who was not involved in the study.
—Tom Gavin, EverydayHealth.com, 11 Sep. 2025
In fact, mast cells are covered in receptors for estrogen and progesterone, Wada says.
—Elizabeth Yuko, Flow Space, 29 Aug. 2025
Compared to mast cells elsewhere in the body, mast cells in the gut were primed to make leukotrienes.
—Hannah Millington, MSNBC Newsweek, 28 Aug. 2025
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Brenda Goodman, CNN Money, 14 Nov. 2025
The medication works by destabilizing mast cells, or allergy cells, to decrease allergic inflammation, says Rauno Joks, MD, an allergist and immunologist at NYC Health + Hospitals/Kings County in Brooklyn, New York, who was not involved in the study.
—Tom Gavin, EverydayHealth.com, 11 Sep. 2025
In fact, mast cells are covered in receptors for estrogen and progesterone, Wada says.
—Elizabeth Yuko, Flow Space, 29 Aug. 2025
Compared to mast cells elsewhere in the body, mast cells in the gut were primed to make leukotrienes.
—Hannah Millington, MSNBC Newsweek, 28 Aug. 2025
See All Example Sentences for mast cell
Cite this Entry
“Mast cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mast%20cell. Accessed 30 Nov. 2025.
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mast cell
noun
: a granulocyte that occurs especially in connective tissue and has basophilic granules containing substances (as histamine and heparin) which mediate allergic reactions
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