explants of simian virus 40 ( sv40 ) -induced lymphoid tumors yield sv40-t-antigen-positive derivatives that differ from gd248 lymphocytes propagated in suspension culture , ( or in vivo ) , in the following respects : polygonal shape , adhesion to culture substrates in vitro , phagocytic capacity , lack of immunoglobulin and a chromosome complement at least twice that of gd248 lymphocytes .
C0598798
lymphoid tumors
C0024264
lymphocytes