title: The "nuclear third" question.
mesh_terms: D001927:Brain Diseases / Q000150:complications* / Q000503:physiopathology; D006801:Humans; D008636:Mesencephalon / Q000503:physiopathology; D009802:Oculomotor Nerve / Q000503:physiopathology; D009886:Ophthalmoplegia / Q000209:etiology* / Q000503:physiopathology