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  2. List of immune cells - Wikipedia

    en.wikipedia.org/wiki/List_of_immune_cells

    This is a list of [[White blood cell|immune cell], also known as white blood cells, white cells, leukocytes, or leucocytes. They are cells involved in protecting the body against both infectious disease and foreign invaders .

  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

    Innate lymphoid cells (ILCs) are a group of innate immune cells that are derived from common lymphoid progenitor and belong to the lymphoid lineage. These cells are defined by the absence of antigen-specific B-or T-cell receptor (TCR) because of the lack of recombination activating gene. ILCs do not express myeloid or dendritic cell markers. [40]

  5. Macrophage - Wikipedia

    en.wikipedia.org/wiki/Macrophage

    Macrophages (/ ˈ m æ k r oʊ f eɪ dʒ /; abbreviated Mφ, MΦ or MP) are a type of white blood cell of the innate immune system that engulf and digest pathogens, such as cancer cells, microbes, cellular debris, and foreign substances, which do not have proteins that are specific to healthy body cells on their surface.

  6. Nonspecific immune cell - Wikipedia

    en.wikipedia.org/wiki/Nonspecific_immune_cell

    The innate immune system is always present at the site of infection and ready to fight the bacteria; it can also be referred to as the "natural" immune system. The cells of the innate immune system do not have specific responses and respond to each foreign invader using the same mechanism. [1]

  7. Type 3 innate lymphoid cells - Wikipedia

    en.wikipedia.org/wiki/Type_3_innate_lymphoid_cells

    Type 3 innate lymphoid cells (ILC3) are immune cells from the lymphoid lineage that are part of the innate immune system. These cells participate in innate mechanisms on mucous membranes , contributing to tissue homeostasis, host-commensal mutualism and pathogen clearance.

  8. Phagocyte - Wikipedia

    en.wikipedia.org/wiki/Phagocyte

    Mast cells have Toll-like receptors and interact with dendritic cells, B cells, and T cells to help mediate adaptive immune functions. [93] Mast cells express MHC class II molecules and can participate in antigen presentation; however, the mast cell's role in antigen presentation is not very well understood. [94] Mast cells can consume and kill ...

  9. Pattern recognition receptor - Wikipedia

    en.wikipedia.org/wiki/Pattern_recognition_receptor

    They are proteins expressed mainly by cells of the innate immune system, such as dendritic cells, macrophages, monocytes, neutrophils, as well as by epithelial cells, [3] [4] to identify two classes of molecules: pathogen-associated molecular patterns (PAMPs), which are associated with microbial pathogens, and damage-associated molecular ...