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| hard collection of fibrin, blood cells, and tissue debris; end result of hemostasis |
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| to convert a liquid to a solid; as in blood clotting |
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| general term for disease affecting blood |
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| collection of blood under skin as a result of blood escaping into tissue form damaged blood vessels |
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| appearance of wheals as part of allergic reaction |
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| tissues' response to injury; redness, pain, swelling, and feeling hot to touch |
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| excessive tissue fluid due to blocked lymphatic flow |
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| anything, such as bacteria, viruses, or toxins that produce disease |
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| sever itching associated with hives |
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| hypersensitivity to a common substance; substance is called an allergen |
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| life-threatening condition from severe allergic reaction; circulatory and respiratory problems occure; also called anaphylaxis |
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