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  2. Nonspecific immune cell - Wikipedia

    en.wikipedia.org/wiki/Nonspecific_immune_cell

    Complement proteins are proteins that play a role in the non-specific immune responses alongside these non-specific immune cells to make up the first line of immune defense. [4] The non-specific immune response is an immediate antigen-independent response, however it is not antigen-specific. Non-specific immunity results in no immunologic ...

  3. Innate immune system - Wikipedia

    en.wikipedia.org/wiki/Innate_immune_system

    The innate immune system or nonspecific immune system [1] is one of the two main immunity strategies in vertebrates (the other being the adaptive immune system). The innate immune system is an alternate defense strategy and is the dominant immune system response found in plants , fungi , prokaryotes , and invertebrates (see Beyond vertebrates ).

  4. Immune system - Wikipedia

    en.wikipedia.org/wiki/Immune_system

    The adaptive immune system evolved in early vertebrates and allows for a stronger immune response as well as immunological memory, where each pathogen is "remembered" by a signature antigen. [55] The adaptive immune response is antigen-specific and requires the recognition of specific "non-self" antigens during a process called antigen ...

  5. Immunogenicity - Wikipedia

    en.wikipedia.org/wiki/Immunogenicity

    However, strictly speaking, immunogenicity refers to the ability of an antigen to induce an adaptive immune response. Thus an antigen might bind specifically to a T or B cell receptor, but not induce an adaptive immune response. If the antigen does induce a response, it is an 'immunogenic antigen', which is referred to as an immunogen.

  6. Immunopathology - Wikipedia

    en.wikipedia.org/wiki/Immunopathology

    The Secondary Immune Response occurs upon subsequent encounters with the same pathogen. During the Primary Immune Response, memory cells are generated that remember the specific pathogen and how to target it. When the same pathogen enters the body again, the memory cells are quickly activated, leading to a faster and more efficacious response ...

  7. Immunostimulant - Wikipedia

    en.wikipedia.org/wiki/Immunostimulant

    There are two main categories of immunostimulants: [1] Specific immunostimulants provide antigenic specificity in immune response, such as vaccines or any antigen.; Non-specific immunostimulants act irrespective of antigenic specificity to augment immune response of other antigen or stimulate components of the immune system without antigenic specificity, such as adjuvants and non-specific ...

  8. Clonal selection - Wikipedia

    en.wikipedia.org/wiki/Clonal_selection

    In immunology, clonal selection theory explains the functions of cells of the immune system (lymphocytes) in response to specific antigens invading the body. The concept was introduced by Australian doctor Frank Macfarlane Burnet in 1957, in an attempt to explain the great diversity of antibodies formed during initiation of the immune response.

  9. Cell-mediated immunity - Wikipedia

    en.wikipedia.org/wiki/Cell-mediated_immunity

    Cellular immunity, also known as cell-mediated immunity, is an immune response that does not rely on the production of antibodies. Rather, cell-mediated immunity is the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen.