35. Meniere’s disease Figure 1a: Normal membranous labyrinth 1b. Dilated membranous labyrinth in Meniere's disease (Endolymphatic Hydrops)
36. The Normal Inner Ear The hearing and balance nerve Carries information to the brain from both parts of the inner ear. D The hearing canal Collects sound information. C The balance canals Collect balance information. B The endolymphatic sac Keeps inner ear fluid at a constant level. A
37. The Abnormal Inner Ear The hearing and balance nerve Distorted information travels from the inner ear to the brain. D The hearing canal Swelling distorts or blocks sound information. C The balance canals Swelling in the balance canals distorts balance information. B The endolymphatic sac Backed-up fluid in the sac and inner ear leads to swelling and pressure. A