Innervation of tongue
Taste (special sensory):
Ant 2/3 = Chorda tympani (CN 7)
Post ⅓ = Glossopharyngeal nerve (CN 9)
General sensory:
Ant 2/3 = Lingual nerve (CN V3)
Post ⅓ = Glossopharyngeal nerve (CN 9)
Motor: Hypoglossal nerve, palatoglossus supplied by Vagus nerve