part of develops from ends during starts during midbrain cranial ganglion neuroectoderm death oculomotor motornucleus oculomotor nucleus UBERON:0001715 eriksegerdell XAO:0004389 Ganglion in the midbrain that gives rise to the fibers of the oculomotor nerve. xenopus_anatomy 2012-05-05T05:15:00Z OM neural nucleus NF stage 37 and 38