glossopharyngeal

Question 1

course

Answer 1

Emerges from medulla oblongata with vagus and accessory nerves - forms superior ganglion and inferior ganglion above and below the jugular foramen - innervates stylopharngeus - forms pharyngeal plexus

Question 2

branches

Answer 2

tympanic nerve, carotid branch (carotid body), stylopharyngeal branches, lingual branches (tongue), tonsil branches, lesser petrosal nerve

Question 3

What does the pharyngeal plexus innervate

Answer 3

mucosa of throat, pharynx, muscles of pharynx