Passage: Blood donations are divided into groups based on who will receive the collected blood.  An 'allogeneic' (also called 'homologous') donation is when a donor gives blood for storage at a blood bank for transfusion to an unknown recipient.  A 'directed' donation is when a person, often a family member, donates blood for transfusion to a specific individual.  Directed donations are relatively rare when an established supply exists.  A 'replacement donor' donation is a hybrid of the two and is common in developing countries such as Ghana.  In this case, a friend or family member of the recipient donates blood to replace the stored blood used in a transfusion, ensuring a consistent supply.  When a person has blood stored that will be transfused back to the donor at a later date, usually after surgery, that is called an 'autologous' donation.  Blood that is used to make medications can be made from allogeneic donations or from donations exclusively used for manufacturing.Blood is sometimes collected using similar methods for therapeutic phlebotomy, similar to the ancient practice of bloodletting, which is used to treat conditions such as hereditary hemochromatosis or polycythemia vera.  This blood is sometimes treated as a blood donation, but may be immediately discarded if it cannot be used for transfusion or further manufacturing.

Question: what is the synonym of  allogeniec
homologous