Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A physiologically active amine, C5H9N3, found in plant and animal tissue and released from mast cells as part of an allergic reaction in humans. It stimulates gastric secretion and causes dilation of capillaries, constriction of bronchial smooth muscle, and decreased blood pressure.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biochemistry An amine, C5H9N3, formed by decarboxylation of histidine, that causes dilatation of capillaries, contraction of smooth muscle, and stimulation of gastric acid secretion; it is released during allergic reactions.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun amine formed from histidine that stimulates gastric secretions and dilates blood vessels; released by the human immune system during allergic reactions

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[hist(idine) + amine.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From histidine + amine.

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Examples

  • Beer, wine and liquor contain histamine, produced by yeast and bacteria during the fermentation process.

    2010 April | Dr Vino's wine blog 2010

  • Beer, wine and liquor contain histamine, produced by yeast and bacteria during the fermentation process.

    Wine, allergies, histamines and sulfites - reactions from an allergist | Dr Vino's wine blog 2010

  • This was not found to be the case, however, when the experiment was repeated with cuddling but no kissing, with no change in histamine levels found.

    Boing Boing: May 14, 2006 - May 20, 2006 Archives 2006

  • During this retaliation, your body releases a chemical called histamine, which is the reason why your eyes will get teary and your nose starts to run.

    Nasal Allergies 2008

  • In the case of the frog's capillaries, histamine is virtually without action, and this fact illustrates in a striking way the observation that all capillaries do not at all show the same reactions.

    August Krogh - Nobel Lecture 1967

  • The next category of medicines is antihistamines, which block a chemical called histamine that is released by the body during an allergic reaction.

    Companies Cashing In On Allergies 2010

  • A formerly widely used diagnostic test of a patient's susceptibility to develop peptic ulcer was to administer histamine, which is a powerful stimulant of gastric acid secretion.

    The Nobel Prize in Physiology or Medicine 1988 - Presentation Speech 1988

  • The Vitamin Shoppe announced that Histame from Naturally Vitamins is now available. is a dietary supplement that helps with the discomforts of food intolerance, also known as histamine intolerance, by replenishing the body's enzyme Diamine Oxidase (DAO).

    unknown title 2009

  • Most studies so far have focused on allergy-related itch, a reaction involving an itch mediator known as histamine and accounting for about one-third of all itch.

    Newswise: Latest News 2009

  • Most studies so far have focused on allergy-related itch, a reaction involving an itch mediator known as histamine and accounting for about one-third of all itch.

    Health News from Medical News Today 2009

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