title: Cellular changes occurring with age in the lens cells of the frog (Rana pipiens) in reference to the developmental capacity of the transplanted nuclei.
mesh_terms: D000375:Aging; D000818:Animals; D001001:Anura; D002454:Cell Differentiation; D002467:Cell Nucleus / Q000502:physiology; D003593:Cytoplasm / Q000502:physiology; D004625:Embryo, Nonmammalian / Q000166:cytology; D007908:Lens, Crystalline / Q000166:cytology*; D008675:Metamorphosis, Biological; D008846:Micromanipulation; D053652:Nuclear Transfer Techniques; D014184:Transplantation, Homologous