Dilatation of the pupil in the cat via the oculomotor nerve.
D000818:Animals; D002415:Cats; D005725:Ganglia, Autonomic / Q000502:physiology*; D007498:Iris / Q000294:innervation*; D009802:Oculomotor Nerve / Q000502:physiology*; D010275:Parasympathetic Nervous System / Q000502:physiology*; D011680:Pupil / Q000502:physiology*; D013562:Sympathectomy