Definition of allogeneic in US English:



  • Denoting, relating to, or involving tissues or cells that are genetically dissimilar and hence immunologically incompatible, although from individuals of the same species.

    Compare with xenogeneic
    • ‘Patients who received only autologous blood had significantly fewer infections than patients who received allogeneic blood transfusions.’
    • ‘One of the patients attending the unit that day was a man who had received an allogeneic stem cell transplant nine months earlier.’
    • ‘Thus, the new paradigm in transfusion medicine considers allogeneic transfusion as an outcome to be avoided.’
    • ‘We determined the proportion of patients who had received allogeneic or autologous blood transfusion after total joint replacement and the number of allogeneic blood transfusions per operation.’
    • ‘Blood conservation programmes reduce the need for allogeneic blood transfusions.’


1960s: from allo- ‘different’ + Greek genea ‘race, stock’ + -ic.