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“infarct”
infarct
1. A localized area of necrosis in a tissue resulting from anoxia (absence or near absence of oxygen).
2. An area of tissue in an organ or part that undergoes necrosis (death of living cells or tissues) following cessation of the blood supply to the applicable tissue.
2. An area of tissue in an organ or part that undergoes necrosis (death of living cells or tissues) following cessation of the blood supply to the applicable tissue.
This may result from occlusion (closing, or obstruction) or stenosis (abnormal narrowing of a bodily canal or passageway) of the supplying artery or, more rarely, from occlusion of the vein that drains the tissue.
Infarct was a term that originally referred to what was believed to be a consolidation of "humors" in a bodily part. The term is now recognized as a degenerative or necrotic lesion that is a result of an acute deficiency of blood supply.
Infarct is said to be the lesion while infarction is the process that produces the lesion.
3. Etymology: from Latin infarctus from Latin, infarcire or inferciere, "to stuff, to cram into:; from in, "into" + facire, "to fill up, to stuff, to cram".
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“infarct”
An area of tissue in a bodily organ, or a part, in which blood pigment is lacking or decoloration (a lack of or a loss of color) has occurred: An anemic infarct is also called "pale infarct" or "white infarct" all of which are caused by "ischemia" or a lack of blood supply.
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An area of of the body that has an insufficient supply of blood to a specific organ or tissue in which infection is absent or, in other words, it is free of infection: The cardiologist and his patient, James, were greatly relieved when it was determined by the cardiac examination that he had a bland infarct instead of a more serious heart condition.
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The death of living cells in connective tissue in which salts (containing lime or is chalky) have been overly deposited: When there is a calcareous infarct, it can result in the abnormal calcification of a body structure and the loss of normal activity of cells within a tissue which can become disrupted because of inadequate nutrition and will cause weakness and paralysis.
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An area of tissue in an organ, or part of an organ, that heals by forming new tissue: A cicatrized infarct replaces the necrotic mass that has been damaged with encapsulated fibrous-connective tissue that leaves a scar after healing.
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hemorrhagic infarct, red infarct
An infarct that is swollen and red as a result of hemorrhage (bleeding).
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multi-infarct dementia
Dementia that is brought on by a series of strokes.
uric acid infarct
An infarct in the kidney caused by an obstruction of the renal tubules by uric acid crystals.
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