Degenerative changes in the annelid, Lumbricus terrestris.
D000375:Aging / Q000502:physiology*; D000818:Animals; D000845:Annelida / Q000502:physiology*; D001835:Body Weight; D014181:Transplantation Immunology; D014182:Transplantation, Autologous; D014183:Transplantation, Heterologous; D014184:Transplantation, Homologous