studies employing [ 3h ] thymidine and radioautography as well as colchicine and feulgen staining of dna showed that up to 19-fold increases in the degree of cell crowding in vitro , i.e . from 1.45 to 27.55 x 10 ( 4 ) cells per specimen , did not change the rates of entry into dna synthesis and mitosis of cultivated primary neonatal rat hepatocytes .
C0012854
dna
C0598312
dna synthesis