Yahoo India Web Search

Sign In

Search results

  1. Dictionary
    hypersensitivity
    /ˌhʌɪpəˌsɛnsɪˈtɪvɪti/

    noun

    • 1. extreme physical sensitivity to particular substances or conditions: "hypersensitivity to common chemicals"
    • 2. a tendency to be easily hurt, worried, or offended: "hypersensitivity to criticism"

    Powered by Oxford Dictionaries

    More definitions, origin and scrabble points

  2. en.wikipedia.org › wiki › HypersensitivityHypersensitivity - Wikipedia

    Hypersensitivity (also called hypersensitivity reaction or intolerance) is an abnormal physiological condition in which there is an undesirable and adverse immune response to an antigen. It is an abnormality in the immune system that causes immune diseases including allergies and autoimmunity.

  3. microbenotes.com › hypersensitivity-introduction-causes-mechanism-and-typesHypersensitivity- Introduction, Causes, Mechanism and Types -...

    Mar 12, 2022 · Hypersensitivity is increased reactivity or increased sensitivity by the animal body to an antigen to which it has been previously exposed. The term is often used as a synonym for allergy, which describes a state of altered reactivity to an antigen.

  4. www.medicalnewstoday.com › articles › hypersensitivity-reactionsWhat are the different types of hypersensitivity reactions?

    Nov 27, 2023 · A hypersensitivity reaction is an extreme or unnecessary immune response that the body has to an antigen. There are four different types of hypersensitivity reactions....

  5. www.biologyonline.com › dictionary › hypersensitivityHypersensitivity Definition and Examples - Biology Online ...

    Jul 24, 2022 · Biology definition: Hypersensitivity is a state of altered reactivity in which the body reacts with an exaggerated immune response to a foreign substance.

  6. dictionary.cambridge.org › dictionary › englishHYPERSENSITIVITY | English meaning - Cambridge Dictionary

    HYPERSENSITIVITY definition: 1. a condition in which the immune system reacts in an extreme way to a substance in the body: 2…. Learn more.

  7. www.thoughtco.com › types-of-hypersensitivity-reactions-41729574 Types of Hypersensitivity Reactions - ThoughtCo

    Jan 28, 2020 · Hypersensitivity reactions are categorized into four major types: type I, type II, type III, and type IV. Type I, II, and III reactions are the result of antibody actions, while type IV reactions involve T cell lymphocytes and cell-mediated immune responses.

  8. www.sciencedirect.com › topics › medicine-and-dentistryHypersensitivity - an overview | ScienceDirect Topics

    Hypersensitivity is the increased reactivity or increased sensitivity by the animal body to an antigen to which it has been previously exposed. The term is often used as a synonym for allergy, which describes a state of altered reactivity to an antigen.

  9. bio.libretexts.org › Bookshelves › Microbiology19.1: Hypersensitivities - Biology LibreTexts

    Apr 21, 2024 · Measurement of any wheal (a raised, itchy bump) and flare (redness) within minutes indicates a type I hypersensitivity, and the larger the wheal-flare reaction, the greater the patient’s sensitivity to the allergen.

  10. dictionary.cambridge.org › us › dictionaryHYPERSENSITIVITY definition | Cambridge English Dictionary

    HYPERSENSITIVITY meaning: 1. a condition in which the immune system reacts in an extreme way to a substance in the body: 2…. Learn more.

  11. www.oxfordlearnersdictionaries.com › definition › englishhypersensitivity noun - Definition, pictures, pronunciation and...

    hypersensitivity (to something) a medical condition that causes the body to have extreme physical reactions to particular substances, medicines, light, etc. patients with hypersensitivity to the drug. Take your English to the next level.