Term
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Definition
| Humoral and cell-mediated immunity that is not fully developed until a child is about six years of age. |
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Term
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Definition
| An antigen capable of inducing hypersensitivity. |
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Term
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Definition
| An abnormal immune response (hypersensitivity) to a substance (allergen). |
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Term
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Definition
| Proteins capable of responding to specific infectious agents; proteins capable of reacting to a specific antigen. |
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Term
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Definition
| A foreign substance that triggers an immune system response. |
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Term
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Definition
| A hereditary allergic tendency. |
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Term
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Definition
| When the immune system produces antibodies against cells of the body. |
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Term
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Definition
| Proteins that carry messages for immune system function. |
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Term
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Definition
| An IgE-mediated reaction that is potentially systemic, characteristically rapid in onset, and may be manifested as swelling of the lips, mouth, uvula, or glottis, generalized urticaria, and, in severe reactions, anaphylaxis." |
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Term
| graft-versus-host disease |
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Definition
| A series of immunologic responses mounted by the host of a transplanted organ with the purpose of destroying the transplant cells. |
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Term
| ** hypersensitivity response |
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Definition
| An overreaction of the immune system, responsible for allergic reactions. HypersplenismÊA syndrome characterized by splenomegaly and blood cell deficiencies. |
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Term
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Definition
| A state of the immune system in which it cannot cope effectively with foreign antigens. |
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Term
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Definition
| A protein that functions as an antibody, responsible for humoral immunity. |
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Term
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Definition
| Natural antibodies passed from mother to the newborn. |
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Term
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Definition
| An infection that is often caused by normally nonpathogenic organisms in persons who lack normal immunity. |
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Term
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Definition
| The process in which B lymphocytes produce antibodies specific to a particular antigen on first exposure. |
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Term
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Definition
| Congenital immunodeficiency. |
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Term
| secondary immune response |
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Definition
| The body's response to an antigen at any time other than the initial exposure. |
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Term
| secondary immunodeficiency |
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Definition
| Acquired immunodeficiency. |
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Term
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Definition
| The passage of disease from the mother to the fetus during the period of pregnancy. |
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