Cell size and cell number: a reconsideration of organ growth and catch-up potential.
D000375:Aging; D000818:Animals; D002452:Cell Count; D006128:Growth; D006321:Heart / Q000254:growth & development; D007668:Kidney / Q000254:growth & development; D008099:Liver / Q000254:growth & development; D024510:Muscle Development; D051381:Rats