Identification of embryonic motoneurons in vitro: their survival is dependent on skeletal muscle.
D000818:Animals; D002470:Cell Survival; D002642:Chick Embryo; D006614:Hindlimb; D006735:Horseradish Peroxidase; D009046:Motor Neurons / Q000166:cytology*; D009132:Muscles / Q000502:physiology*; D009414:Nerve Growth Factors / Q000502:physiology; D013116:Spinal Cord / Q000166:cytology
D009414:Nerve Growth Factors; D006735:Horseradish Peroxidase