Donor
(Science: biology) An individual organism that supplies living tissue to be used in another body, as a person who furnished blood for transfusion or an organ for transplantation in a histocompatible recipient.
(medicine) someone who gives blood or tissue or an organ to be used in another person (the host).Someone who donates part of their tissue to another, who may have some kind of disease or disorder that is life threatening and requires the donation.
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