title: Ultrastructural sequence of embryonic cell death in normal and peripherally deprived trachlear nucleus.
mesh_terms: D000818:Animals; D002470:Cell Survival; D003714:Denervation; D004372:Ducks; D004625:Embryo, Nonmammalian; D008636:Mesencephalon / Q000196:embryology / Q000648:ultrastructure*; D009410:Nerve Degeneration; D009474:Neurons / Q000648:ultrastructure; D014321:Trochlear Nerve / Q000196:embryology / Q000648:ultrastructure