Apherisis definition of Apherisis in the Free Online Encyclopedia.

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.
..... Click the link for more information. 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.
..... Click the link for more information. , 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)
..... Click the link for more information. , plasmapheresis is used to attempt to remove the disease-causing substances from the blood.

apheresis (redirected from Apherisis)

apheresis
(redirected from Apherisis)