Match the items on the right to the items on the left.

allergy	??? cells that when provoked by a sensitized antigen, release histamine initial exposure to antigenic compound; required to develop an allergy histamine production & inflammation gradual re-introduction of antigenic substance in increasingly large doses in attempt to build body's tolerance exaggerated immune response to substances that are innocuous to others mild response to an offending food that produces a disagreeable reaction without full blown immune effects molecular aspect of a surface (usually a protein) that precipitates immune response
allergic response	??? cells that when provoked by a sensitized antigen, release histamine initial exposure to antigenic compound; required to develop an allergy histamine production & inflammation gradual re-introduction of antigenic substance in increasingly large doses in attempt to build body's tolerance exaggerated immune response to substances that are innocuous to others mild response to an offending food that produces a disagreeable reaction without full blown immune effects molecular aspect of a surface (usually a protein) that precipitates immune response
mast cells	??? cells that when provoked by a sensitized antigen, release histamine initial exposure to antigenic compound; required to develop an allergy histamine production & inflammation gradual re-introduction of antigenic substance in increasingly large doses in attempt to build body's tolerance exaggerated immune response to substances that are innocuous to others mild response to an offending food that produces a disagreeable reaction without full blown immune effects molecular aspect of a surface (usually a protein) that precipitates immune response
antigen	??? cells that when provoked by a sensitized antigen, release histamine initial exposure to antigenic compound; required to develop an allergy histamine production & inflammation gradual re-introduction of antigenic substance in increasingly large doses in attempt to build body's tolerance exaggerated immune response to substances that are innocuous to others mild response to an offending food that produces a disagreeable reaction without full blown immune effects molecular aspect of a surface (usually a protein) that precipitates immune response
sensitization	??? cells that when provoked by a sensitized antigen, release histamine initial exposure to antigenic compound; required to develop an allergy histamine production & inflammation gradual re-introduction of antigenic substance in increasingly large doses in attempt to build body's tolerance exaggerated immune response to substances that are innocuous to others mild response to an offending food that produces a disagreeable reaction without full blown immune effects molecular aspect of a surface (usually a protein) that precipitates immune response
desensitization	??? cells that when provoked by a sensitized antigen, release histamine initial exposure to antigenic compound; required to develop an allergy histamine production & inflammation gradual re-introduction of antigenic substance in increasingly large doses in attempt to build body's tolerance exaggerated immune response to substances that are innocuous to others mild response to an offending food that produces a disagreeable reaction without full blown immune effects molecular aspect of a surface (usually a protein) that precipitates immune response
sensitivity	??? cells that when provoked by a sensitized antigen, release histamine initial exposure to antigenic compound; required to develop an allergy histamine production & inflammation gradual re-introduction of antigenic substance in increasingly large doses in attempt to build body's tolerance exaggerated immune response to substances that are innocuous to others mild response to an offending food that produces a disagreeable reaction without full blown immune effects molecular aspect of a surface (usually a protein) that precipitates immune response