*The caudal 1/3 of tongue is innervated by the glossopharyngeal ([[Nervous System - CNS - Anatomy & Physiology#Innervation - Cranial Nerves|CN IX]]) providing motor function for taste. | *The caudal 1/3 of tongue is innervated by the glossopharyngeal ([[Nervous System - CNS - Anatomy & Physiology#Innervation - Cranial Nerves|CN IX]]) providing motor function for taste. |