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TEPspecialsenses
| Question | Answer |
|---|---|
| iris | the pigmented, involuntary muscle that acts as the diaphragm of the eye. |
| sclera | the firm white fibrous outer layer of the eyeball; protects and maintains eyeball shaper |
| lacrimal gland | the gland that creates tears |
| conjunctiva | the thin, protective mucous membrane lining the eyelids and covering the anterior surface of the eyeball |
| optic nerve | nerve connected to the eye; composed of ganglion cell axons |
| lens | the elastic, doubly convex structure in the eye that focuses the light entering the eye on the retina |
| cornea | the transparent anterior portion of the eyeball |
| pupil | an opening in the center of the iris through which light enters the eye |
| aqueous humor | the watery fluid in the anterior chambers of the eye |
| vitreous humor | liquid that helps the eyeball from collapsing inward y reinforcing it internally |
| optic disc | the place in the retina where the optic nerve leaves the eyeball |
| retina | light sensitive layer of the eye; contains rods and cones |
| choroid | the pigmented nutritive layer of the eye |
| suspensory ligament | fibrous ligament that holds the lens in place in the eye |
| rod | one of two types of photosensitive cells in the retina |
| cone | one of the two types of photoreceptor cells in the retina of the eye. provides for color vision |
| photoreceptor | specialized receptor cells that respond to light energy |
| fovea centralis | central pit |
| refraction | a bend in light |
| magnification | the process of making something appear larger, as by use of lenses. |
| astigmatism | a visual defect resulting from irregularity in the lens or cornea of the eye causing the image to be out of focus |
| hyperopia | farsightedness |
| myopia | nearsightedness |
| pinna | the shell-shaped stucture surrounding the auditory canal opening |
| tympanic membrane | the eardrum |
| eustation tube | runs obliquely downward to link the middle ear cavity with the throat |
| malleous | bone in the ear which moves when the eardrum moves and transfers the vibrations to the anvil. |
| incus | passes vibration to the stapes. |
| stapes | presses on the oval window of the inner ear. |
| oval window (round window) | openings in a bon wall by the tempanic cavity |
| cochlea | a cavity of the inner ear resembling a snail shell; housing the hearing receptor |
| semicircular canals | canals inside the ear, resembling a semicircle, towards the top |
| vestibule | situated between the semicircular canals and the cochlea |
| auditory nerve | the nerve that comes from the ear |
| equilibrium (as it pertains to balance) | a state when opposite reactions or forces counteract each other exactly |
| tinnitus | hearing ringing, buzzing, or other sounds without an external cause |
| chemoreceptor | receptors sensitive to various chemicals in a soution |
| olfactory receptor | receptors or the sense of smell |
| olfactory nerve | travels from the nose to the brain |
| taste bud | receptors used for taste on the tongue, roof of mouth, pharynx and laynx. |
Created by:
Tessa Elise
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