Type I hypersensitivity and the skin.
D000485:Allergens; D000818:Animals; D000937:Antigen-Antibody Reactions; D001491:Basophils / Q000276:immunology; D006168:Guinea Pigs; D006636:Histamine Release; D006801:Humans; D006969:Hypersensitivity, Immediate; D007073:Immunoglobulin E; D012867:Skin / Q000276:immunology*; D005719:gamma-Globulins / Q000032:analysis
D000485:Allergens; D005719:gamma-Globulins; D007073:Immunoglobulin E