Nucleotide Rhythms in the Mature Rat Heart

CARDIAC cells in adult humans or animals, like neurones, do not divide in the mature state1, in contradistinction either to cells which continue to proliferate throughout the life of the organism (haematopoietic, oesophago-intestinal cells), or which show a gradual waning of this capacity with maturity (liver)2. Mitotic figures have been seen in certain… CONTINUE READING