1) Allergy-related compound 2) Amine 3) Aminoalkane
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https://www.crosswordclues.com/clue/histamine
2-(1H-imidazol-4-yl)ethan-1-amine, an amine 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.
Found on
http://sis.nlm.nih.gov/enviro/iupacglossary/glossaryh.html
biologically active substance found in a great variety of living organisms. It is distributed widely, albeit unevenly, throughout the animal kingdom ... [13 related articles]
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http://www.britannica.com/eb/a-z/h/54
A substance that has many effects in the body. It is released from some types of white blood cells during allergic reactions. It causes small blood vessels to dilate (widen) and become leaky, which can cause tissues to swell. It also causes smooth muscles to contract, gastric acid to be made, and the heart rate to increase. Histamine is used in tes...
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http://www.cancer.gov/dictionary?expand=H
is a product of the amino acid, histidene and is released by damaged cells. Histamine causes an increase in capillary permeability and vasodilation, two vascular events which are the first stages of inflammation. Histamine is also a neurotransmitters substance, released at nerve synapses mostly in the hypothalamus.
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http://www.encyclo.co.uk/local/20169
A chemical released via the body's immune system in response to allergens
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http://www.encyclo.co.uk/local/20575
One of the chemical substances involved in the inflammatory reaction and which is responsible for certain allergic symptoms.
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http://www.encyclo.co.uk/local/20667
<biochemistry> Formed by decarboxylation of histidine. Potent pharmacological agent acting through receptors in smooth muscle and in secretory systems. ... Stored in mast cells and released by antigen. (See hypersensitivity). Responsible for the early symptoms of anaphylaxis. Also present in some venoms. ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973
(his´tә-mēn) an amine, C5H9N3 found in all body tissues, produced by decarboxylation of histidine. It induces numerous physiological changes in the body: capillary dilation, which increases capillary permeability and lowers blood pressure; contraction of most smooth muscle tissue; increased secretion of gastr...
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http://www.encyclo.co.uk/local/21001
Formed by decarboxylation of histidine. Potent pharmacological agent acting through receptors in smooth muscle and in secretory systems. Stored in mast cells and released by antigen. (See hypersensitivity). Responsible for the early symptoms of anaphylaxis. Also present in some venoms.
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http://www.encyclo.co.uk/visitor-contributions.php
A type of amine
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http://www.gadsbywicks.co.uk/uploaded/3822.pdf
(H) Type: Term Pronunciation: his′tă-mēn Definitions: 1. A vasodepressor amine derived from histidine by histidine decarboxylase and present in ergot and in animal tissues. It is a powerful stimulant of gastric secretion, a constrictor of bronchial smooth muscle, and a vasodilator (capillaries and arterioles) that causes a fa...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=41087
Histamine: Substance that plays a major role in many allergic reactions. Histamine dilates blood vessels and makes the vessel walls abnormally permeable.
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http://www.medterms.com/script/main/art.asp?articlekey=3765
(his;tua-men) A compound secreted by tissue mast cells and other connective tissue cells that stimulates vasodilation and increases capillary permeability. It is responsible for many of the symptoms of inflammation and allergy.
Found on
http://www.mhhe.com/biosci/abio/glossary.mhtml
histamine 1. An amine (chemical compound containing nitrogen, derived from ammonia) formed from the amino acid histidine (one of the 20 building blocks of protein) by decarboxylation (removal of the carboxyl [univalent radical characteristic of all organic acids] group from a molecule) and produced mainly by the mast cells in connective tissue as a...
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http://www.wordinfo.info/words/index/info/view_unit/992/
a protein released by the body in response to antigens
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https://sciencetrek.org/sciencetrek/topics/blood/glossary.cfm
A physiologically active depressor amine found in plant and animal tissue, derived from histidine (found in fruits such as bananas and grapes, meat and poultry, and milk and milk products. It is also found in root vegetables and all green vegetables, though in lesser quantities).by decarboxylation (the process of removing a carboxyl group from a ch...
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https://www.encyclo.co.uk/local/20528
a chemical in some cells of the body that is released during allergic reactions, causing inflammation; also causes production of acid in the stomach and narrowing of the airways
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https://www.encyclo.co.uk/local/20875
noun amine formed from histidine that stimulates gastric secretions and dilates blood vessels; released by the human immune system during allergic reactions
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https://www.encyclo.co.uk/local/20974
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.
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https://www.encyclo.co.uk/local/21273
A chemical that is released by the body due to an allergic reaction.
Found on
https://www.encyclo.co.uk/local/22233
Histamine is a chemical present in cells throughout the body that is released during an allergic reaction. Histamine is one of the substances responsible for the symptoms on inflammation and is the major reason for running of the nose, sneezing, and itching in allergic rhinitis. It also stimulates production of acid by the stomach and narrows the b...
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https://www.encyclo.co.uk/local/23035
a histidine-derived amine compound that is released mainly by damaged mast cells in allergic reactions, causing dilation and permeability of blood vessels and lowering blood pressure. · a commercial form of this compound, obtained from histidine and used chiefly in the diagnosis of gastric and circulatory functions. Cf. antihistamine.
Found on
https://www.infoplease.com/dictionary/histamine
Histamine is a substance your body injects into your bloodstream to help you stay alert. However, it is often triggered by allergens. It causes fluid to be released into the skin (which causes swelling and hives), and when released into the sinuses can cause a runny nose and watery eyes.
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https://www.rabbitair.com/pages/air-purifier-glossary
a chemical present in cells throughout the body that is released during an allergic reaction and one of the substances responsible for the symptoms of inflammation.
Found on
https://www.stanfordchildrens.org/en/topic/default?id=glossary---allergy-as
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