Development of the trochlear nerve: effects of early removal of periphery.
D000818:Animals; D004372:Ducks; D004625:Embryo, Nonmammalian; D009186:Myelin Sheath / Q000648:ultrastructure; D009801:Oculomotor Muscles / Q000601:surgery; D014321:Trochlear Nerve / Q000166:cytology / Q000196:embryology* / Q000601:surgery