Daytime and seasons are sources of variations for cartilage and bone growth rate.
D000375:Aging; D000818:Animals; D001846:Bone Development; D001842:Bone and Bones / Q000502:physiology; D002356:Cartilage / Q000254:growth & development* / Q000502:physiology; D002940:Circadian Rhythm; D004261:DNA Replication; D005583:Fourier Analysis; D007700:Kinetics; D010507:Periodicity; D051381:Rats; D012621:Seasons