Anatomy Dilator papillae are supplied by A Oculomotor nerve B Sympathetic fibers from the fronto - orbital branch of trigeminal nerve C Postganglionic sympathetic fibers from cervical sympathetic chain D Postganglionic parasympathetic fibers 💡 Explanation Dilator papillae are supplied by ✓ Correct Answer: C. Postganglionic sympathetic fibers from cervical sympathetic chain