similar analyses of transformed , tumorigenic cell lines demonstrated that nuclear features ( i.e. , chromatin texture , clearing of parachromatin , hyperchromasia , variation in thickness of the nuclear envelope , sharp indentations in the nuclear envelope ) , and nucleolar features ( i.e. , degree of roundness , presence of angular projections , number per cell ) discriminated chemically and virally transformed cells from spontaneously transformed cells .
C0028584
nuclear envelope
C0007634
cells