title: Aging in vitro. Growth of cultured cells from the Galapagos tortoise.
mesh_terms: D000367:Age Factors; D000375:Aging; D000818:Animals; D001706:Biopsy; D002452:Cell Count; D002455:Cell Division; D002478:Cells, Cultured / Q000502:physiology*; D004847:Epithelial Cells; D005347:Fibroblasts; D008938:Mitosis; D012867:Skin; D013696:Temperature; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium; D014426:Turtles / Q000502:physiology*
chemical_list: D014316:Tritium; D013936:Thymidine