his·ta·mine

[his-tuh-meen, -min]
noun
1.
Biochemistry, Physiology. a heterocyclic amine, C 5 H 9 N 3 , released by mast cells when tissue is injured or in allergic and inflammatory reactions, causing dilation of small blood vessels and smooth muscle contraction.
2.
Pharmacology. a commercial form of this compound, obtained from histidine and used chiefly in the diagnosis of gastric and circulatory functions.
Also, his·ta·min [his-tuh-min] .
Compare antihistamine.


Origin:
1910–15; hist(idine) + -amine

his·ta·min·ic [his-tuh-min-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To histamine
Collins
World English Dictionary
histamine (ˈhɪstəˌmiːn, -mɪn) [Click for IPA pronunciation guide]
 
n
See also antihistamine an amine formed from histidine and released by the body tissues in allergic reactions, causing irritation. It also stimulates gastric secretions, dilates blood vessels, and contracts smooth muscle. Formula: C5H9N3
 
[C20: from hist(idine) + -amine]
 
histaminic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Histamine is always a great word to know.
So is gobo. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
American Heritage
Medical Dictionary

histamine his·ta·mine (hĭs'tə-mēn', -mĭn)
n.
A physiologically active depressor amine found in plant and animal tissue, derived from histidine by decarboxylation and released from cells in the immune system as part of an allergic reaction. It is a powerful stimulant of gastric secretion, constrictor of bronchial smooth muscle, and vasodilator.


his'ta·min'ic (-mĭn'ĭk) adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
histamine   (hĭs'tə-mēn')  Pronunciation Key 
An organic compound found widely in animals and plants that in humans and other mammals is released as part of the body's immune response, causing physiological changes including dilation of the blood vessels, contraction of smooth muscle (as in the airways), and increased gastric acid secretion. The itching and sneezing typical of respiratory allergies are caused by the release of histamine. Chemical formula: C5H9N3
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
Beer, wine and liquor contain histamine, produced by yeast and bacteria during
  the fermentation process.
Histamine is one of the chemicals released when antibodies overreact to
  allergens.
Those travel to cells that release histamine and other chemicals and cause an
  allergic reaction.
The damaged tissue releases chemicals including histamine, bradykinin, and
  serotonin.
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT