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Blesi8e Ch11 Terms
[MA3] The Senses [Tier 01]
| Term | Definition |
|---|---|
| accommodation | the process of the lens changing shape to permit close vision. |
| amblyopia | lazy eye; a condition characterized by the inward turning of the affected eye. |
| aqueous humor | a watery, transparent liquid that circulates between the anterior and posterior chambers of the eye. |
| astigmatism | blurring of the vision caused by an abnormal curvature of the cornea. |
| auditory | pertaining to the sense of hearing |
| cataract | an opacity of the lens of the eye resulting in blindness |
| cerumen | wax-like brown secretion found in the external auditory canal |
| choroid | the vascular coat of the eye between the sclera and the retina |
| cochlea | the snail-shaped portion of the inner ear |
| conjunctiva | a mucous membrane that lines the eyelids and covers the anterior sclera of the eyeball |
| cornea | the transparent extension of the sclera that lies the front of the pupil of the eye. |
| enucleation | surgical excision of the eyeball |
| epistaxis | nosebleed; hemorrhage from the nose |
| eustachian tube | refers to the tube of the middle ear that connects to the pharynx. |
| fovea centralis | a depression in the posterior surface of the retina that is the place of sharpest vision. |
| glaucoma | a disease of the eye characterized by increased intraocular pressure. |
| hyperopia | a defect of vision so that objects can only be seen when they are far away; farsightedness |
| incus | the anvil, the middle bone of the three in the middle ear |
| insidious | hidden, not apparent |
| iris | the colored, contractible tissue surrounding the pupil of the eye. |
| lacrimal | pertaining to the tears; the glands and ducts that secrete and convey tears. |
| lens | a part of the eye that bends or refracts images onto the retina. |
| malleus | the largest of the three bones of the middle ear, also called the hammer. |
| Meniere's disease | a disorder of the ear characterized by nausea, vomiting, tinnitus and hearing loss |
| myopia | a defect in vision so that objects can only be seen when very near; near-sightedness |
| optic disc | the blind spot where the optic nerve exits from the retina of the eye. |
| organ of Corti | terminal acoustic apparatus in the cochlea of the inner ear. |
| otitis | inflammation of the ear; can be referenced to the external, middle or internal ear. |
| otosclerosis | condition characterized by progressive deafness cause by the fixation of the stapes of the middle ear. |
| polyps | a tumor with a pedicle, especially on mucous membranes, such as in the nose, rectum or intestines. |
| presbycusis | impairment of the acute hearing in old age. |
| presbyopia | a defect of vision in advancing age involving loss of accommodation |
| pupil | the contractible opening in the center of the iris for the transmission of light. |
| receptor | peripheral nerve ending of a sensory nerve that responds to stimuli |
| retina | the innermost layer of the eye that receives the image formed by the lens. |
| retinopathy | a degeneration of the retina caused by a decrease in blood supply. |
| sclera | the white or sclerotic outer coat of the eye. |
| semicircular canals | structures located in the inner ear that are responsible for maintaining equilibrium. |
| sensorineural | refers to a sensory nerve |
| stapes | one of the three bones of the middle ear. |
| strabismus | an eye disorder caused by imbalance of the ocular muscles. |
| tinnitus | a ringing or tinkling sound in the ear that is heard only by the person affected |
| tympanic membrane | the ear drum |
| vitreous humor | the substance that fills the vitreous body of the eye behind the lens. |
Created by:
MaesterRay
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