mast cell
noun
ˈmast- 
: a granulocyte that occurs especially in connective tissue and has basophilic granules containing substances (such as histamine and heparin) which mediate allergic reactions
Example Sentences
Recent Examples on the Web Valuable lessons can be learned from post-infectious diseases that long Covid often resembles: myalgic encephalomyelitis/chronic fatigue syndrome, postural orthostatic tachycardia syndrome, or mast cell activation syndrome. 
Ryan Prior And Kimberly Knackstedt, STAT, 22 Aug. 2022 Hives are caused when a white blood cell known as a mast cell detects something interpreted as a foreign invader and releases a chemical called histamine. New York Times, 9 May 2022 Anderson suffers from a mast cell disorder, which means her body cannot easily regulate heat. Ko Lyn Cheang, The Indianapolis Star, 14 June 2022 Nine months after welcoming their first child with boyfriend Alev Aydin, Halsey has been diagnosed with Ehlers-Danlos syndrome, Sjögren's syndrome, mast cell activation syndrome (MCAS), and postural orthostatic tachycardia syndrome (POTS). Rosa Sanchez, Harper's BAZAAR, 11 May 2022 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 See More
Ryan Prior And Kimberly Knackstedt, STAT, 22 Aug. 2022 Hives are caused when a white blood cell known as a mast cell detects something interpreted as a foreign invader and releases a chemical called histamine. New York Times, 9 May 2022 Anderson suffers from a mast cell disorder, which means her body cannot easily regulate heat. Ko Lyn Cheang, The Indianapolis Star, 14 June 2022 Nine months after welcoming their first child with boyfriend Alev Aydin, Halsey has been diagnosed with Ehlers-Danlos syndrome, Sjögren's syndrome, mast cell activation syndrome (MCAS), and postural orthostatic tachycardia syndrome (POTS). Rosa Sanchez, Harper's BAZAAR, 11 May 2022 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 See More Word History
Etymology
partial translation of German Mastzelle, from Mast food, mast (from Old High German) + Zelle cell
First Known Use
circa 1890, in the meaning defined above
Medical Definition
mast cell
noun
ˈmast-
: a granulocyte that occurs especially in connective tissue and has basophilic granules containing substances (as histamine and heparin) which mediate allergic reactions