Degeneration in the nucleus of origin of the preganglionic fibers to the chick ciliary ganglion following early removal of the optic vesicle.
D000818:Animals; D002642:Chick Embryo; D002924:Ciliary Body / Q000294:innervation*; D005123:Eye / Q000196:embryology*; D005724:Ganglia; D009410:Nerve Degeneration; D009802:Oculomotor Nerve / Q000196:embryology*