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Special senses
Review
| Question | Answer |
|---|---|
| Equilibrium | A state of balance. |
| Eustachian Tube | A tube which connects the nose and throat. |
| Glaucoma | Accumulation of aqueous humor in the eye. |
| Ametropia | An error in refraction. |
| Acuity | Clearness or sharpness of a sensory function. |
| Anacusis | Complete deafness. |
| Strabismus | Condition in which one eye is misaligned with the other or out of synchrony. |
| Otoplasty | Corrective surgery for a deformed pinna. |
| Blepharoplasty | Cosmetic surgery removing fatty tissue above and below the eyes. |
| Astigmatism | Defective curvature of the cornea or lens. |
| Corectasis | Dilation of the pupil. |
| Otopyorrhea | Discharge of pus from the ear. |
| Mydriatics | Drugs that dilate the pupils. |
| Otalgia | Ear pain. |
| Cercumen | Ear wax. |
| Fluorescein Angiography | Evaluation of blood vessels and their leakage in and beneath the retina. |
| Iridectomy | Excision of the iris. |
| Hyperopia | Farsightedness. |
| Dacryorrhea | Flow of tears. |
| Nyctalopia | Impaired vision in dim light. AKA nightblindness. |
| (RK) Radial Keratotomy | Incision of the cornea for treatment of nearsightedness. |
| Otitis Externa | Infection of the external auditory canal. |
| Otitis Media | Inflammation of the middle ear. |
| Amblyopia | Lazy eye syndrome. |
| Presbyopia | Loss of accommodation associated with the aging process. |
| Anosmia | Loss of sense of smell. |
| Audiometry | Measurement of hearing acuity. |
| Phacoemulsification | Method of treating cataracts that disintegrates a cloudy lens and is then aspirated and removed. |
| Optometrist | One who specializes in eye measurments. |
| Cataracts | Opacities on the lens. |
| Tinnitus | Perception of ringing, hissing or other sounds in the ears. |
| Olfactory | Pertaining to smell. |
| Blepharoptosis | Prolapse of the eyelid. |
| Tympanoplasty | Reconstruction of the eardrum. |
| Semicircular canals | Responsible for balance. |
| Achromatopsia | Severe congenital deficiency in colour perception. |
| Incus | Shaped like an anvil. |
| Malleus | Shaped like a hammer. |
| Stapes | Shaped like stirrups. |
| Ear cancal | Slender tube through which sound waves travel to the middle ear. |
| Chalazion | Small, hard tumour on the eyelid. |
| Cochlea | Snail-shaped inner ear structure; First structure of the inner ear. |
| Hordeolum | Stye. |
| Gustation | Taste. |
| Cornea | The clear, transparent portion of the sclera. |
| Sclera | The white of the eye. |
| Antiemetics | Treat and prevent nausea, vomiting, dizziness and vertigo. |
| Nystagmus | Type of involuntary eye movements. |
| Photophobia | Unusual intolerance and sensitivity to light. |
| Metamorphosia | Visual distortion of objects. |
| Describe aqueous humor. | - Found in the posterior and anterior chamber. - Provides nourishment for lens and cornea. - Produced by ciliary body. - Drained by canal of schlemm. |
| Describe cones. | - Function in bright light. - Produce colour vision. |
| Describe rods. | - Function in the dim light. - Produce black and white vision. |
| Describe the conjuctiva. | - Cover the outer surface of the eye and lines he eyelids. |
| Describe the fovea. | - Provides the greatest acuity for colour vision. - In the center of the macula. |
| Describe the pupil. | - Perforated center of the iris. |
| Describe the vestibular system. | - Controls balance and eye movements. - Consist of semicircular canals and the vestibule. |
| Describe vitreous humor. | - Jellylike substance that fills the interior of the eye. |
| What are the functions of the ear? | - Hearing. - Equilibrium. |
| What are the three tunics of the eye? | - Fibrous. - Vascular. - Sensory. |
| What is an Otolaryngologist? | - Treats disorders of the ear, nose and throat. |
| What are the specific sensations? | - Smell. (Olfaction) - Taste. (Gustation) - Equilibrium. - Vision. - Hearing. (Audition) |
| What is macular degeneration? | - Deterioration of the macula. |
| What is otosclerosis? | - Ankylosis of the ossicles. |
| Where are the ossicles located ? | - Tympanic membrane. |
Created by:
Demitreia
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