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Across 1. Also contains the organs of balance. 4. Noteable projection at the bottom of the pinnna. 5. Curves around the outside edge of the pinna. 6. Lowest part of the pinna, composed of skin and fat. 7. Second ring of catilage. 8. A small chamber within the mastoid portion of the temporal bone. 13. Groove underneath the curve of the helix. 17. Does not contain a layer of cartilage, boney portion of ear canal. 18. Vestibule and the semicircular canals are filled with this. 20. Contains organs of balance. 23. Instrument used to look into the ear. 24. On the outside of of the Scala Media. 25. Narrowest end of the spiral. 27. Attaches to the cone of the tympanic membrane. 28. The two longer sides of the triangle are created by this. 29. Muscle located within the posterior wall of the tympanic cavity. 32. Opening of ear canal. 34. The Jaw Joint. 36. Ear Wax. 38. A tiny interruption in the tympanic sulcus. 39. Contains the organ of hearing. 45. Another name for the Ossicular Chain. 46. The "Anvil" 47. Bowl shaped depression. 48. Muscle located within the anterior wall of the middle ear. 51. A narrow boney passage-way. 52. An air filled cavity 53. Structure that extends out from the side of the head. 54. Sits on top of the spiral lamina. 55. Loose (flaccid) 56. The "Stirrup", smallest bone in the body. 57. Bony wall also separates this from the cochlea duct. 58. Crescent-shaped inferior portion of the middle ear cavity.

Down 2. AKA Cochlea Duct. 3. Located within the boney labyrinth and it follows all the curves and coils. 4. Ring-shaped groove in the temporal bone 9. Triangle-shaped indentation. 10. Widest coil of the spiral in the cochlea. 11. Branch of the facial nerve. 12. Upper part of the concha that curves up. 14. A narrowing about 4mm from the tympanic membrane. 15. Named after Ernst Reissner (1824-1875). 16. Ring-shaped ligament 18. Stretched (taut) 19. Spiral corkscrew-shaped bony shelf. 21. Bump of extra tissue along the edge of the helix. 22. Bony wall separates this from the cochlea duct. 26. Houses the vestibulocochlear (VIII) and facial (VII) nerves. 30. Connects middle ear cavity to the nasopharyngeal cavity. 31. White cloud-like patches on the ear drum. 33. Organ of hearing. 35. Scala tympani and scala vestibuli are connected by this narrow passage. 37. The "Hammer: 40. Middle portion of the tympanic cavity where portions of ossicular chain are located. 41. Closest to external auditory meatus. 42. Superior wall of the tympanum. 43. Located withing the petrous portion of the human temporal bone. 44. Light reflex on tympanic membrane. 49. Another name for Epitympanum. 50. Withing the cochlea, a central core of bone.