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1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 1. Study Guide of the Facial Nerve Name the nerve which sends a branch to the tympanic membrane. _____ nerve of ______. The small sensory root of the facial nerve is called nervus intermedius. Name the nucleus which sends visceral motor fibers to the submandibular, sublingual & lacrimal glands. superior salivatory nucleus Name the nucleus which sends efferent fibers to the ventral group of nucleus of the thalamus. upper part of the nucleus of the tractus solitarius of the medulla oblongata At the end of the acoustic meatus the facial nerve enters the facial canal which descends to reach the stylomastoid foramen. The genicular ganglion communicates with the pterygoid ganglion through the greater petrosal nerve of facial nerve. The cervical branch of the facial nerve communicates with transverse cervical nerve of facial nerve. Name the nerve which carries taste fibers from the palate & preganglionic parasympathetic nerve for the lacrimal, nasal & palatine mucosal glands. Greater Petrosal nerve of CN VII In the foramen lacerum, the greater petrosal nerve joined with the deep petrosal nerve from internal carotid plexus & it becomes the nerve of the pterygoid canal. Name the nerve which connects the genicular ganglion to the otic ganglion. lesser petrosal nerve Name the nerve which conveys the middle meningeal sympathetic plexus to the genicular ganglion. External Petrosal N. Before the facial nerve emerges from the stylomastoid foramen, it receives the auricular branch from the vagus. Name two nerves from the facial nerve which arise in the facial canal. nerve to the stapedius, chorda tympani Name the nerve which passes the middle tympanic cavity through the anterior & then posterior canaliculi. Chorda tympani nerve of CN VII Name the nerve which communicates with the posterior branch of the great auricular nerve. Posterior Auricular Nerve Name the nerve which supplies the occipital belly of the epicranium. occipital nerve of Posterior Auricular Nerve Name the nerve which supplies the intrinsic muscles of the lateral surface of the auricle. Temporal N of Facial N. Name the nerve which supplies the frontal belly of the occipitofrontalis. Occipital Nerve Name the six intrinsic muscles of the auricle. helicis major & minor, tragicus, antitragicus, transversus auriculae & oblique auriculae Name the two nerves which innervate the orbicularis oculi. Temporal and Zygomatic The superficial branches of the buccal nerve are joined with the infratrochlear and external nasal nerves. The levator anguli oris & the zygomaticus minor are innervated by the Buccal nerve of CN VII. Name the nerve which innervates the risorius. Marginal Mandibular Nerve of CN VII 24. Name the two nerves which join together and become the nerve to the pterygoid canal. greater petrosal nerve and the deep petrosal nerve 25. Name the three nerves which are branches of the facial nerve at the exit of the stylomastoid foramen. Posterior Auricular, Stylohyoid, Digastric 26. Name the nerve which arises from the facial nerve opposite the pyramidal eminence on the posterior tympanic cavity wall. The nerve to the stapedius 27. Name the nerve which passes through the posterior & anterior canaliculi on the tympanic bony walls. The Chorda Tympani 28. The chorda tympani join the Lingual N. of CN VII. 29. The afferent fibers from the presulcal part of the tongue form the The Chorda Tympanic nerve n. of CN VII. 30. Name two nerve which communicate with the posterior auricular nerve of the facial nerve. posterior branch of the great auricular nerve & with the lesser occipital nerve 31. Name the nerve which innervates the corrugator supercilii. Temporal Nerve 32. Name the intrinsic muscles of the auricle. (6) helicis major & minor, tragicus, antitragicus, transversus auriculae & oblique auriculae 33. The procerus in innervated by the Zygomatic N. of CN VII. 34. Name the nerve which innervates the zygomaticus major. Buccal of CN VII. 35. Name the nerve which innervates the risorius. Marginal Mandibular of CN VII 36. The transverse cutaneous cervical nerve communicates with Cervical Nerve of the facial nerve. 37. Name the sequential nerves from the superior salivatory nucleus to the submandibular ganglion. Sup. Salivatory Nu. facial, chorda tympani, lingual, submandibular gang. 38. Facial paralysis is known as Bell’s Palsy.