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Bites and stings as well as other conditions (e.g. drug reactions, urticarial reactions, and early bullous pemphigoid) can cause microscopic changes such as a wedge-shaped superficial dermal perivascular infiltrate consisting of abundant lymphocytes and scattered eosinophils, as shown in the adjacent figure: [12]
Bullous arthropod assault: ... Arthropod assault is a medical term describing a skin reaction to an insect bite characterized by inflammation and eosinophilic ...
The bullae are formed by an immune reaction, initiated by the formation of IgG [citation needed] autoantibodies targeting dystonin, also called bullous pemphigoid antigen 1, [6] and/or type XVII collagen, also called bullous pemphigoid antigen 2, [7] which is a component of hemidesmosomes. A different form of dystonin is associated with ...
Bites, which can introduce saliva as well as additional pathogens and diseases, are often confused with stings, and vice versa. Specific components of venom are believed to give rise to an allergic reaction , which in turn produces skin lesions that may vary from a small itching weal, or slightly elevated area of the skin, to large areas of ...
Insect sting allergy is the term commonly given to the allergic response of an animal in response to the bite or sting of an insect. [1] Typically, insects which generate allergic responses are either stinging insects ( wasps , bees , hornets and ants [ 2 ] ) or biting insects ( mosquitoes , ticks ).
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Mites associated with cutaneous reactions Scientific name Common name(s) Disease(s) caused and/or transmitted Acarus siro: Flour mite: Baker's itch: Glyciphagus domesticus: Grocer's itch: Carpoglyphus passularum: Fruit mite: Grocer's itch Cheyletiella spp: Walking dandruff (Cheyletiella dermatitis, cheyletiellosis) Cheyletus eruditus: Grain ...
Chicken bugs have been found infected with blood-borne pathogens, they do not appear to be effective vectors of disease. The main clinical importance is inflammation from Arthropod bites and stings to components in their saliva. Varied allergic reactions can occur including anaphylaxis. [4]