what is the major difference between the innate and adaptive immune responses?
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Innate immunity is something already present in the body. Adaptive immunity is created in response to exposure to a foreign substance.
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Different types of immunity The immune system is divided into two parts, called the Acquired Immune System and the Innate Immune System. While each of these plays a role in defending the body, there are major differences between the two.
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T cells are major components of the adaptive immune system. ... Furthermore, the identification of T cells as a mediator of early alloantigen-independent tissue injury demonstrates that the functional capacity of T cells spreads beyond adaptive immunity into the realm of the innate immune response.
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INNATE IMMUNITY. Innate, or nonspecific, immunity is the defense system with which you were born. It protects you against all antigens. Innate immunity involves barriers that keep harmful materials from entering your body. These barriers form the first line of defense in the immune response.
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B cells have two main types of immune responses. In a T-Independent immune response B cells can respond directly to the antigen. In a T-dependent immune response the B cells need assistance from T cells in order to respond.
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Innate immunity develops against antigens that are shared by many microbes (called pathogens-associated molecular patterns). Acquired immunity develops against antigens that are specific for each microbe. Host cell receptors are specific, e.g. T cell receptor and B cell immunoglobulin receptor.
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The main job of the innate immune system is to fight harmful substances and germs that enter the body, for instance through the skin or digestive system. The adaptive (specific) immune system makes antibodies and uses them to specifically fight certain germs that the body has previously come into contact with.
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Difference in Definition: The immunity which is present by birth without having prior exposure to pathogenic microorganisms including bacteria, viruses, fungi and etc is called innate immunity. On the other hand acquired immunity develops only when our body is exposed to any antigenic substance.
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Adaptive Immune Response. The first line of defense against non-self pathogens is the innate, or non-specific, immune response. The innate immune response consists of physical, chemical and cellular defenses against pathogens. ... The adaptive immune response is specific to the pathogen presented.
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A prominent difference between active and passive immunity is that active immunity is developed due to the production of antibodies in one's own body, while passive immunity is developed by antibodies that are produced outside and then introduced into the body.
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There are two types of adaptive responses: the cell-mediated immune response, which is controlled by activated T cells, and the humoral immune response, which is controlled by activated B cells and antibodies.
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Specific Immunity. Specific immunity, also known as adaptive immunity, is specialized immunity for particular pathogens. Helper T-cells, cytotoxic T-cells, and B-cells are involved in specific immunity. The non-specific cells, like macrophages, tell the T- and B-cells that an intruder is present.
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The second line of defense are the non-specific phagocytes and other internal mechanisms that comprise innate immunity. The third line of defense are the specific lymphocytes that produce antibodies as part of the adaptive immune response.
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Unlike the innate immune system, the adaptive immune system relies on fewer types of cells to carry out its tasks: B cells and T cells. Both B cells and T cells are lymphocytes that are derived from specific types of stem cells, called multipotent hematopoietic stem cells, in the bone marrow.
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T cells and B cells T cells (thymus cells) and B cells (bone marrow- or bursa-derived cells) are the major cellular components of the adaptive immune response. T cells are involved in cell-mediated immunity, whereas B cells are primarily responsible for humoral immunity (relating to antibodies).
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There are 2 main parts of the immune system: The innate immune system. You are born with this. The adaptive immune system.
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They are activated on the surface of antigen-presenting cells, which mature during the innate immune responses triggered by an infection. The innate responses also dictate what kind of effector cell a helper T cell will develop into and thereby determine the nature of the adaptive immune response elicited.