Circadian rhythms in the mitotic index of the basal epithelium and in the uptake rate of  3 H-thymidine by the tongue of the rat.
D000818:Animals; D002940:Circadian Rhythm; D003624:Darkness; D004847:Epithelial Cells; D004848:Epithelium / Q000378:metabolism; D007274:Injections, Intraperitoneal; D008297:Male; D008722:Methods; D008938:Mitosis; D010775:Photic Stimulation; D051381:Rats; D013936:Thymidine / Q000008:administration & dosage / Q000378:metabolism*; D014059:Tongue / Q000378:metabolism*; D014316:Tritium
D014316:Tritium; D013936:Thymidine