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apheresis

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.03 sec.
apheresis (əfĕr`əsĭs), or hemapheresis (hē'məfĕr`əsĭs), any procedure in which blood blood, fluid pumped by the heart that circulates throughout the body via the arteries, veins, and capillaries (see circulatory system ; heart ). An adult male of average size normally has about 6 quarts (5.6 liters) of blood.
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 is drawn from a donor or patient and a component (platelets, plasma plasma, in physics, fully ionized gas of low density, containing approximately equal numbers of positive and negative ions (see electron and ion ). It is electrically conductive and is affected by magnetic fields.
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, 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 myasthenia gravis (mīəsthē`nēə grä`vĭs)
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, plasmapheresis is used to attempt to remove the disease-causing substances from the blood.

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The plasma system is designed to meet blood center requirements for efficiency, performance and compatibility with both whole blood and apheresis collections.
com/reports/c43819) has announced the addition of Therapeutic Apheresis - Global Strategic Business Report to their offering.
Camstar, the leading provider of enterprise manufacturing execution and quality management solutions, announced today that Gambro BCT, a world leader in automated blood collections, therapeutic apheresis and cell therapy, has selected Camstar's Medical Device Suite to manage Device History Records, ensure process enforcement and facilitate regulatory compliance.
 
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