LoM Chapter 17 Dictaiton Ear-finale

Acoustic neuroma

Benign tumor arising from the 8th cranial nerve in the brain

Auditory Canal

Channel leading form the outer ear flap to the eardrum

Pinna

The outer flap of the ear; auricle

Eustachian tube

channel between the middle ear and the nasopharynx

ossiculoplasty

surgical repair of the a small bone in the middle ear

Suppurative Otitis media

Inflammation of the middle ear with pus formation

Cholesteatoma

collection of skin cells and cholesterol in a sac within the middle ear

perilymph

Fluid contained in the inner part of the ear

Otomycosis

Fungal infection of the ear

Otosclerosis

Hardening of bony tissue in the inner ear: ankylosis of the stapes may occur

Semicircular Canals

Passages in the inner ear that are associated with maintianing equilibrium

Vertigo

Sensation of irregular or whirling motion either of oneself or of esternal objects

Tinnitus

Sensation of noises (ringing, buzzing) in the ears

Cochlea

Snail shaped spirally wound tube in the inner ear; contains hearing sensitive cells

Tympanoplasty

Surgical repair of the eardrum

Cerumen

Waxy substance secreted by the external ear

myringotomy

incision of the eardrum

Audiometer

instrument to measure hearing

Labyrinth

maze like series of canal of the inner ear

Otolaryngologist

specialist in the sutdy of the ear and voice box