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| refers to a procedure that is performed under sterile conditions. This includes medical and laboratory techniques |
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| Make (something) impure by exposure to or addition of a poisonous or polluting substance |
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| The length of time for which an item remains usable, fit for consumption, or saleable |
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| The complete elimination or destruction of all living microorganisms. |
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| Of, relating to, or denoting substances that prevent the growth of disease-causing microorganisms |
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| The presence in tissues of harmful bacteria and their toxins, typically through infection of a wound |
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| The absence of bacteria, viruses, and other microorganisms. |
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| A member of a large group of unicellular microorganisms lacking organelles and an organized nucleus, including some that can cause disease |
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| -one who harbors disease organisms in their body without manifest symptoms, thus acting as a distributor of infection |
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| -a disease that can be communicated from one person to another |
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| deficient oxygenation of the blood |
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| pumping of a fluid through an organ or tissue |
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| cause or causes of a disease or abnormal condition |
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| deficient supply of blood to a body part that is due to the obstruction of the inflow of arterial blood |
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| abnormal redness of the skin due to capillary congestion (as in inflammation) |
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| hardening; an increase in the fibrous elements in tissue commonly associated with inflammation and marked by loss of elasticity and pliability |
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| a condition in which the blood is deficient in red blood cells, in hemoglobin, or in total volume |
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| cramping pain and weakness in the legs and especially the calves on walking that disappears after rest and is usually associated with inadequate blood supply to the muscles (as in Buerger's disease or arteriosclerosis) |
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| pain in the calf of the leg upon dorsiflexion of the foot with the leg extended that is diagnostic of thrombosis in the deep veins of the area |
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| a yellowish brown granular pigment formed by breakdown of hemoglobin, found in phagocytes and in tissues especially in disturbances of iron metabolism (as in hemochromatosis, hemosiderosis, or some anemias), and composed essentially of colloidal ferric oxide |
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