Chapter 11 Word Scramble
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Term | Definition |
adaptation | the diminishing of a sensation that occurs after continuous exposure to a stimulus |
analgesic | drug used to relieve pain |
aqueous humor | clear, watery fluid that fills the anterior cavity of the eye |
bony labyrinth | complicated system of passageways within the temporal bone that contains the inner ear |
chemoreceptors | receptors that react to various chemicals, including odors, tastes, and the concentration of carious chemicals in the body |
choroid | highly vascular layer of tissue in the eye that supplies oxygen and nutrients to the sclera and retina |
cillary body | thickened extension of the choroid that secretes aqueous humor |
cochlea | snail-like structure in inner ear that contains the structures for hearing |
cones | photoreceptors in the retina responsible for color vision |
conjunctiva | transparent mucous membrane that lines the eyelids and covers the anterior surface of the eyeball (except the cornea) |
cornea | transparent extension of sclera that sits over the iris and admits light into the eye |
eustachian tube | passageway from middle ear to nasopharynx |
gustation | sense of taste |
lacrimal gland | small gland that secretes tears |
mechanoreceptors | receptors that respond to factors that change the position of a receptor |
nociceptors | pain receptors that respond to tissue damage form trauma as well as form heat, chemicals, pressure, or a lack of oxygen |
olfaction | sense of smell |
optic chiasm | point in the brain where half of the optic nerve fibers cross to the opposite side of the brain |
organ of corti | hearing sense organ |
papillae | protrusions on the tongue on which taste buds are located |
photoreceptors | receptors in the eyes that respond to light |
referred pain | pain originating in a deep organ that is sensed as if it's originating form the body's surface |
refraction | bending of light rays so that they focus on the retina |
retina | innermost layer of the eye that contains receptors for vision |
rods | photoreceptors in the retina active in dim light |
sclera | outermost layer of the eye; formed form dense connective tissue |
thermoreceptors | receptros activated by a change in temperature |
tympanic membrane | membrane separating the outer ear from the middle ear that vibrates in response to sound waves; eardrum |
vestibule | structure of the inner ear that contains organs necessary for sense of balance |
vitreous humor | jelly-like substance that fills the posterior cavity of the eye |
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lindstromjPN110
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