Definition of syngeneic
: involving, derived from, or being genetically identical or similar individuals of the same species especially with respect to antigenic interaction <syngeneic tumor cells> <grafts between syngeneic mice> — compare allogeneic
Origin and Etymology of syngeneic
syn- + -geneic (as in isogeneic)
First Known Use: 1961
Seen and Heard
What made you want to look up syngeneic? Please tell us where you read or heard it (including the quote, if possible).