Category: I
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Impaction
A condition in which two things are impacted. Cramping or tight wedging of materials or parts in a limited space, especially feces lodged in the lower colon. A term applied to a condition in which two things are firmly lodged together. For example, when one piece of bone is driven within another following a fracture,…
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Impacted ureteric calculus
A small hard mass of mineral salts which is lodged in a ureter.
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Impacted fracture
A fracture where the broken parts of the bones are pushed into each other. A fracture in which the bone is broken and one end is wedged into the interior of the other.
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Impacted faeces
Extremely hard dry faeces which cannot pass through the anus and have to be surgically removed.
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Imodium
A trade name for Ioperamide hydrochloride.
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Immunotransfusion
A transfusion of blood, serum or plasma containing immune bodies. The transfusion of an antiserum to treat or give temporary protection against a disease.
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Immunologist
A specialist in immunology. One who practices the medical specialty of immunology; who diagnoses and treats patients who have autoimmune diseases, immunodeficiency diseases, cancer, or are undergoing transplantation of organs, bone marrow, or stem cells. A physician trained in the medical specialty of the immune system’s normal functions and possible disorders. An immunologist diagnoses, manages,…
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Immunological tolerance
Tolerance of the lymphoid tissues to an antigen. A failure of the body to distinguish between materials that are self, and therefore to be tolerated, and those that are ‘not self,’ against which antibodies are produced. For example, the body fails to produce antibodies against foreign materials if an antigen has previously been introduced into…
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Immunological staining
The process of checking if cancer is likely to return after someone has been declared free of the disease, by staining cells.
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Immunodeficiency virus
A retrovirus which attacks the immune system.