Type II hypersensitivity | Type 2 hypersensitivity
Other articles where Type II hypersensitivity is discussed: immune system disorder: Type II hypersensitivity: Allergic reactions of this type, also known as ...TypeIIhypersensitivitySectionsDirectoryReferencesTypeIIhypersensitivitypathologyShareShareSharetosocialmediaFacebookTwitterURLhttps://www.britannica.com/science/type-II-hypersensitivityLearnaboutthistopicinthesearticles:majorreferenceInimmunesystemdisorder:TypeIIhypersensitivityAllergicreactionsofthistype,alsoknownascytotoxicreactions,occurwhencellswithinthebodyaredestroyedbyantibodies,withorwithoutactivationoftheentirecomplementsystem.Whenantibodybindstoanantigenonthesurfaceofatargetcell,…ReadMoreallergiesInallergyTypeIIreactionsresultwhenantibodiesreactwithantigensthatarefoundoncertain“target”cells.Theantigensmaybenaturalcomponentsofhealthycells,ortheymaybeextrinsiccomponentsinducedbydrugsorinfectiousmicrobes.Theresultantantigen-antibodycomplexactivatesthecomplementsystem,…ReadMoreInhumandisease:AllergiesIntypeII,orcytotoxic,reactions,antibodiesarenotboundtocells,asinthetypeIreaction,butcirculatefreelyandinteractwithcell-boundantigensinthesamewaythatantibodiesbindtocellscontaininginfectiousagents.Complementisusuallyactivated,leadingtocelldestruction.…ReadMorepoisonreactionsInpoison:Allergies…secondtypeofhypersensitivityiscytotoxichypersensitivity,whichhasagradualonset.Afterreexposuretoanallergen,theallergenmoleculesattachtothesurfacesofbloodcells,forminganantigennewtothebody.IgGorIgMbindstothenewantigenonthebloodcells,lysingbloodcellsvia…ReadMore
常見健康問答
Type 2 hypersensitivityType 4 hypersensitivityHypersensitivityType 1 hypersensitivityType II hypersensitivityType 2 type 3 hypersensitivityType 3 hypersensitivityHypersensitivity type 4