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M6 13-005
Exam 15: Ear Disorders (Key terms)
| Term | Definition |
|---|---|
| Pinna or auricle | the external ear. |
| Tinnitus | a subjective noise sensation heard in one or both ears; ringing or tinkling sounds in the ear. |
| Vertigo | the sensation that the outer world is revolving about oneself or that one is moving in space. |
| Otoscopy | direct visualization of the external auditory canal and the eardrum. |
| Otitis externa | infection of the external ear and adjacent skin. |
| Otitis Media | fluid from an infection, allergy or tumor that collects in the middle ear as a result of obstruction of the auditory tube. |
| Labyrinthitis | an inflammation of the labyrinthine canals of the inner ear. |
| Otosclerosis | a condition characterized by chronic progressive deafness caused by the formation of spongy bone, with resulting ankylosis of the stapes, causing tinnitus and then deafness. |
| Meniere's Disease | disturbance of the semicircular canals that results in tinnitus and unilateral deafness. |
| Stapedectomy | removal of the stapes of the middle ear and insertion of a graft and prosthesis. |
| Tympanoplasty | any of several operative procedures on the eardrum or ossicles of the middle ear designed to restore or improve hearing in patients with conductive hearing loss. |
| Myringotomy | a surgical incision of the eardrum performed to relieve pressure and release purulent exudates from the middle ear. |
| Nystagmus | rhythmic involuntary movement of the eye. May be symptom of problem with vestibular system. |