it was observed that when normal mouse spleen cells were cultured alone in vitro ( precultured ) for 3 to 7 days , these cells lost the ability to generate cell-mediated cytotoxicity ( cml ) during subsequent in vitro sensitization with allogeneic spleen cells , trinitrophenyl ( tnp ) -modified syngeneic spleen cells , or syngeneic tumor cells .
C3485979
allogeneic
C0007634
cells