mast cell

noun
\ ˈmast- How to pronounce mast cell (audio) \

Definition of mast cell

: 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

Recent Examples on the Web The drug was approved to treat the three different subtypes of the blood disorder, which include mast cell leukemia. BostonGlobe.com, 16 June 2021 About 60% of study participants will have either a history of severe allergic reactions to food, bee stings or drugs, or a diagnosis of a mast cell disorder, a disease that predisposes a person to life-threatening reactions similar to allergies. Anna Kuchment, Dallas News, 14 May 2021 The National Institutes of Health said Wednesday that a clinical trial is underway to study whether someone who is highly allergic or has a mast cell disorder is at higher risk for an allergic reaction to the Pfizer/BioNTech or Moderna vaccines. Evan Macdonald, cleveland, 8 Apr. 2021 One is mast cell activation syndrome, which can produce fatigue, pain and problems with thinking and memory; infection can sometimes initiate it. New York Times, 21 Jan. 2021 Some have symptoms that more closely fit with other chronic illnesses, including dysautonomia, fibromyalgia, or mast cell activation syndrome. Ed Yong, The Atlantic, 19 Aug. 2020 For allergic conjunctivitis, antihistamine or mast cell stabilizer eye drops are common treatments. Claire Gillespie, Health.com, 26 Nov. 2019 IgE antibodies normally attach themselves to a white blood mast cell, which secretes histamine to cause sneezing, which then expels the pollen or other offending allergen. Sam Roberts, New York Times, 13 June 2019 These can include antihistamines (which come in pills, nasal sprays, and eye drops), steroid nasal sprays, mast cell inhibitors, and leukotriene modifiers. Marisa Cohen, Good Housekeeping, 19 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mast cell.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mast cell

circa 1890, in the meaning defined above

History and Etymology for mast cell

partial translation of German Mastzelle, from Mast food, mast (from Old High German) + Zelle cell

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Time Traveler for mast cell

Time Traveler

The first known use of mast cell was circa 1890

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Dictionary Entries Near mast cell

mast brown

mast cell

mastectomy

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Cite this Entry

“Mast cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mast%20cell. Accessed 3 Dec. 2021.

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More Definitions for mast cell

mast cell

noun
\ ˈmast- How to pronounce mast cell (audio) \

Medical Definition of mast cell

: a granulocyte that occurs especially in connective tissue and has basophilic granules containing substances (as histamine and heparin) which mediate allergic reactions

More from Merriam-Webster on mast cell

Britannica.com: Encyclopedia article about mast cell

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