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Special SensesDylan
Question | Answer |
---|---|
iris | The colored part around the pupil of the eye. Regulates the amount of light entering the eye. |
sclera | tough white part of eye that covers all except the cornea |
lacrimal gland | produce tears |
conjunctiva | clear mucous membrane; covers sclera |
optic nerve | |
lens | helps the cornea refract light |
cornea | covers iris and pupil |
pupil | allows light to enter retina |
aqueous humor | fills area between lens and cornea |
vitreous humor | clear gel between retina and lens |
optic disc | where the ganglion cell axons are to form optic nerves |
retina | light sensitive tissue lining inner part of the eyeball |
choroid | vascular layer of eye |
suspensory ligament | |
rod | found in retina, sensitive to light & dark |
cone | light sensitive. found in rods of the eye |
photoreceptor | found in retina of membrane eyes. |
fovea centralis | responsible for sharp central vision |
refraction | |
magnification | |
astigmatism | rays that propagate in two perpendicular planes have different foci. |
hyperopia | farsightedness |
myopia | nearsightedness |
pinna | outter ear |
tympanic membrane | eardrum |
eustation tube | |
malleous | |
incus | |
stapes | |
oval window (round window) | |
cochlea | is connected to brain by auditory nerve |
semicircular canals | involved in balance |
vestibule | |
auditory nerve | connects cochlea to brain. |
equilibrium (as it pertains to balance) | a state when opposite forces counteract each other exactly |
tinnitus | |
chemoreceptor | receptors sensitive to various chemical in solution |
olfactory receptor | sensitive to smell |
olfactory nerve | detects the smell |
taste bud | receptors for taste in the mouth. |