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− | + | one of the best-known mediators of allergic [[Entzündung/en|inflammation]]; basic biogenic amine, decarboxylation product of [[Aminosäure/en|amino acid]] Histidine; in humans in all body tissues, especially in [[Mastzellen/en|mast cells]] and [[basophilic granulocytes|basophilic granulocytes]], highest concentrations in the lungs. | |
− | + | Its functions are: | |
− | # Dilatation | + | # Dilatation of the [[Kapillare/en|capillaries]], increase in capillary permeability and drop in blood pressure. # Contractions of the [[Glatte_Muskulatur/en|smooth musculature]], for example of the bronchial muscles in the lungs. # Induction of increased gastric acid[[Sekret/en|secretion]]. # Increase in heart rate. |
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− | + | Histamine is the mediator of the immediate allergic type reaction. | |
https://de.wikipedia.org/wiki/Histamin <sub>([https://de.wikipedia.org/wiki/Wikipedia:Lizenzbestimmungen_Commons_Attribution-ShareAlike_3.0_Unported Wikipedia CC-by-sa-3.0])</sub> | https://de.wikipedia.org/wiki/Histamin <sub>([https://de.wikipedia.org/wiki/Wikipedia:Lizenzbestimmungen_Commons_Attribution-ShareAlike_3.0_Unported Wikipedia CC-by-sa-3.0])</sub> |
one of the best-known mediators of allergic inflammation; basic biogenic amine, decarboxylation product of amino acid Histidine; in humans in all body tissues, especially in mast cells and basophilic granulocytes, highest concentrations in the lungs.
Its functions are:
Histamine is the mediator of the immediate allergic type reaction.
https://de.wikipedia.org/wiki/Histamin (Wikipedia CC-by-sa-3.0)