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PHM 114 Week 5 Terms
PHM 114 Weelk 5 Terminology
| Term | Definition |
|---|---|
| aqueous humor | fluid found in the anterior cavity of the eye |
| central vision | what is seen when you look straight ahead or read |
| cerumen | wax-like substance secreted by modified sweat glands in the ear |
| cochlea | portion of the inner ear involved in hearing |
| conductive hearing loss | caused by abnormalities of the outer or middle ear that interfere with the transmission of sound |
| conjunctiva | transparent protective mucous membrane that lines the underside of the eyelid |
| cornea | clear part of the eye located in front of the iris |
| emesis | vomiting |
| equilibrium | steadiness or balance accompanied by a sense of knowing where the body is in relationship to surroundings |
| gel | semi-solid precipitated or coagulated colloid |
| glaucoma, angle closure | sudden increase in intraocular pressure caused obstruction of the drainage portal between the cornea and iris |
| intraocular pressure | inner pressure of the eye |
| iris | colored part of eye that can expand or contract to allow the right amount of light to enter the eye |
| keratotomy | incision of the cornea to correct myopia |
| labyrinth | bony structure in the inner ear consisting of three parts and involved in balance |
| lacrimal apparatus | structures that keep the surface of the eye moistened with tears |
| meniere's disease | chronic inner ear disease associated with intermittent build up of fluid in the inner ear |
| optic disk | ocular end of the optic nerve where the retinal nerve fibers from the eye exit and the blood vessels enter the eye |
| optic nerve | bundle of nerve fibers located in the back of the eye that connects the retina to the brain |
| otitis | inflammation of the ear |
| otitis media | infection of the middle ear |
| otoliths | calcium carbonate crystals found in the utrical and saccule of the inner ear |
| otosclerosis | hardening of the bones of the middle ear |
| ototoxicity | damage or toxicity to the ear |
| peripheral vision | some times called side vision |
| presbycusis | bilateral hearing loss linked to aging and often accompanied by tinnitus |
| saccule | saclike inner ear structure that senses vertical motion of the head |
| solution | liquid containing a dissolved substance whereby the dissolved substance cannot be distinguished from the resultant fluid |
| suspension | state of a solid when its particles are mixed with, but not dissolved in a liquid |
| tinnitus | intermittent or continuous whistling, crackling, squeaking, or ringing noise in the ears |
| tonomety | use of a device to measure the pressure in the eye |
| trabecular meshwork | small openings around the outer edge of the iris |
| tympanic membrane | the eardrum |
| utricle | sac-like inner ear structure that senses forward and backward motion and side-to-side motion of the head |
| vertigo | feeling of spinning space |
Created by:
Tinamharris31
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