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Allergy is a reaction of the body's immune system to a certain substance, allergen (antigen). The first time, the immune system simply "memorizes" the antigen, with repeated interaction in some people begins inadequate, exaggerated reaction. Once the antigen enters the body, antibodies are produced: histamines and cytokines. Redness, swelling, hives, and difficulty breathing appear.
Allergia proteeside suhtes võib olla:
immediate; delayed.Esimene on väga haruldane, teine on tavalisem.
Allergiliste reaktsioonide põhjusedAllergiat võivad põhjustada nii metall- kui ka plastkonstruktsioonid.
Alloys of nickel, chromium and cobalt are in the group of allergens and can provoke severe allergic reactions. Unfortunately, these alloys are part of many orthopedic constructions. Another group of allergens is represented by protein monomer, which i…