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Spring Quiz 7
Masterbooks Intro to A&P Volume 3
| Term | Definition |
|---|---|
| sound | a series of vibrations |
| pitch | the frequency of a sound |
| hearing | the ability to convert the pressure waves in our environment to action potentials that can be transmitted to the brain |
| basilar membrane | vibrates, causing the cochlear hair cells to move against the tectorial membrane |
| vestibular apparatus | consists of the utricle, the saccule, and the semicircular canals |
| macula | a layer of two different types of cells |
| vertigo | the sensation a person experiences when he feels like he is moving but he isn't |
| labyrinthitis | an inflammation of the inner ear |
| corneal abrasion | a scratch on the surface of the cornea |
| glaucoma | an increase in the eye's fluid pressure that can eventually damage the retina |
| iris | the colored portion of the eye |
| retina | the inner layer of the eye |
| cataract | a clouding of the lens of the eye |
| Muller cells | act like fiberoptic cables, efficiently transmitting the light that strikes the surface of the retina to the photoreceptor cells |
| photoreceptors | the cells that convert light into nerve impulses |
| color blindness | the inability to see color or distinguish between colors |
| nearsighted | one can see close objects well, but will have difficulty seeing more distant objects |
| farsighted | one can see distant objects well, but closer things appear blurry and fuzzy |
Created by:
larmstrong3
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