Mitotic Potential of the Enamel Organ of the Rhesus Monkey

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Abstract
Mitotic activity within the enamel organs of developing teeth in a fetus and a baby rhesus monkey was studied by tritiated thymidine radioautography. There was no labeling or other indication of mitotic activity in the stellate reticulum or the functioning ameloblasts. Labeled cells were observed in all of the other layers of the enamel organ during and following amelogenesis. The reduced enamel epithelium is probably not composed of degenerated cells, since there is a potential for proliferation in these cells.