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allergen    音标拼音: ['ælɚdʒən]
n. 过敏原

过敏原

allergen
n 1: any substance that can cause an allergy

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  • Allergen - Wikipedia
    When an allergen enters the body of an individual that is predisposed to allergies, it triggers an immune reaction and the production of antibodies These allergen antibodies migrate to mast cells lining the nose, eyes, and lungs
  • Allergens: Types, Function, Risks - Verywell Health
    When you develop an allergic reaction to a substance, your body treats that substance (allergen) as a threat Your body then produces an immune response against the allergen
  • Allergies - Symptoms and causes - Mayo Clinic
    Allergies happen when the immune system reacts to a foreign substance that gets inside the body These substances are known as allergens They include pollen, bee venom and pet dander Allergies also can happen due to certain foods and medicines that don't cause reactions in most people
  • Allergies: Types, Symptoms, Treatment Management
    Inhaling, eating or touching something you’re allergic to activates mechanisms meant to protect you and flush the allergen out of your system This causes your symptoms, which can sometimes be life-threatening You generally have to be exposed to a substance more than once before you’ll react to it
  • Allergen | Description, Types, Immune Response | Britannica
    Allergens may be naturally occurring or of synthetic origin and include pollen, mold spores, dust, lint, animal dander, insect debris, foods, blood serum, and drugs
  • Allergens | National Institute of Environmental Health Sciences
    How a person reacts to an allergen depends on how they come in contact with it In many people, allergic reactions occur on the skin and in the airways and mucous membranes
  • Allergen: MedlinePlus Medical Encyclopedia
    As a result, the immune system reacts by making a type of antibody called immunoglobulin E (IgE) to defend against the allergen This reaction leads to allergy symptoms
  • Allergies Overview: Symptoms, Treatments, and More - Healthline
    Allergic reactions may involve a variety of symptoms, ranging from mild inflammation to life threatening situations According to the Centers for Disease Control and Prevention (CDC), 1 in 3
  • Allergies: Causes, diagnosis, and treatment - Medical News Today
    The substance it reacts to is known as an allergen When an allergic reaction occurs, allergens bind to antibodies that the body produces called immunoglobin E (IgE)
  • Allergen Defined | AAAAI
    An allergen is a usually harmless substance capable of triggering a response that starts in the immune system and results in an allergic reaction For instance, if you have an allergy to pollen, your immune system identifies pollen as an invader or allergen





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