[uh-fer-uh-sis] 
| apheresis. |
[af-uh-ret-ik] , adjective [uh-fer-uh-sis for 1; af-uh-ree-sis for 2] | 1. | Also, aphaeresis. the loss or omission of one or more letters or sounds at the beginning of a word, as in squire for esquire, or count for account. |
| 2. | Medicine/Medical. the withdrawal of whole blood from the body, separation of one or more components, and return by transfusion of remaining blood to the donor. |
| a·phaer·e·sis or a·pher·e·sis (ə-fěr'ĭ-sĭs) n. pl. a·phaer·e·ses or a·pher·e·ses (-sēz') The loss of one or more sounds from the beginning of a word, as in till for until. [Late Latin, from Greek aphairesis, from aphairein, to take away : apo-, apo- + hairein, to take.] aph'ae·ret'ic (āf'ə-rět'ĭk) adj. |
apheresis aph·e·re·sis (āf'ə-rē'sĭs)
n.
A procedure in which blood is drawn from a donor and separated into its components, some of which are retained, such as plasma or platelets, and the remainder returned by transfusion to the donor. Also called hemapheresis.
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