Chapter 17 - Pathology The Ear Flashcards
Acoustic neuroma
Benign tumor arising from the acoustic vestibulocochlear nerve (cranial nerve VIII) in the brain
Cholesteatoma
Collection of skin and cholesterol in a sac within the middle ear. Cyst-like masses in the ear.
Deafness
Loss of the ability to hear
Meniere disease
Disorder of the labyrinth of the inner ear; elevated endolymph pressure within the chochlea (cochlear hydrops) and semicircular canals (vestibular hydrops)
Disorder of the inner ear that causes episodes of vertigo (spinning)
Otitis media
Inflammation of the middle ear
Otoscerlosis
Hardening of the bony tissue of the middle ear
Tinnitus
Sensation of noises (ringing, buzzing, whistling, booming) in the ears.
Vertigo
Sensation of irregular or whirling motion either of oneself or of external objects