title: Extended survival of the chick embryo in vitro.
mesh_terms: D000818:Animals; D002470:Cell Survival; D002642:Chick Embryo / Q000502:physiology*; D003470:Culture Media; D046508:Culture Techniques; D004530:Egg Yolk; D005260:Female; D009043:Motor Activity; D009417:Nerve Tissue / Q000166:cytology; D009420:Nervous System / Q000196:embryology*; D010047:Ovalbumin; D010812:Physical Stimulation; D013116:Spinal Cord / Q000196:embryology
chemical_list: D003470:Culture Media; D010047:Ovalbumin