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apheresis
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apheresis
The Columbia Encyclopedia, Sixth Edition
apheresis , or hemapheresis , any procedure in which blood is drawn from a donor or patient and a component (platelets, plasma , or white blood cells) is separated out, the remaining blood components being returned to the body. Apheresis allows the donor's blood volume to replenish itself much more quickly than whole blood donation. One type of apheresis, plasmapheresis, is commonly used in commercial blood banks . In plasmapheresis the plasma (the liquid portion of the blood) is separated from donated blood, the red blood cells being returned to the donor. In some diseases, such as myasthenia gravis , plasmapheresis is used to attempt to remove the disease-causing substances from the blood.
Author not available, APHERESIS.,
The Columbia Encyclopedia, Sixth Edition 2008
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The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press
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APHAERESIS
APHAERESIS BrE, apheresis AmE [Stress: ‘a-FER-e-sis’]. The removal of an element from the beginning of a WORD, usually for informal economy...
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plasmapheresis
plasmapheresis see apheresis . Author not available, PLASMAPHERESIS. , The Columbia Encyclopedia, Sixth Edition 2008
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blood bank
...among patients anticipating surgery to "bank" their own blood before it is needed. Many blood banks also have facilities for apheresis , bone marrow donations, and related procedures. Some centers save umbilical cord blood (blood that is especially rich in...
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myasthenia gravis
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Sargramostim
...progenitor cells, to move from the bone marrow to the blood where they will then be removed from a patient by the process of apheresis. These blood cells are stored until after the patient receives larges doses of chemotherapy that destroy the bone marrow and...
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