adj.
Pronunciation: o ̇ - ' tä-l ə -g ə s
Function: adjective
Etymology: aut- + -ologous (as in homologous )
Date: circa 1921
1 : derived from the same individual <incubated lymphoid cells with autologous tumor cells>
2 : involving one individual as both donor and recipient <an autologous blood transfusion> <an autologous bone marrow transplant>