A "sibling donor" is a term used to describe a brother or sister who donates something, usually a body organ or tissue, to their sibling who is in need of it, usually due to illness or medical condition. Full definition
Now patients without a matched sibling donor can be safely and effectively treated. (clinicalresearchforum.org)
Allogeneic Sibling Donor Peripheral Blood Stem Cells Transplantation With Myeloablative Conditioning for Chronic Myeloid Leukemia in Blast Crisis - Successful Treatment Despite Severe Phase of the Disease (thejh.org)
Safety and Efficacy of POL6326 for Mobilization / Transplant of Sibling Donor in Patients With Hematologic Malignancies. (thno.org)