special senses review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Describe aqueous humor | -found in the anterior and posterior chambers
-provides nourishment for the lens & cornea
-drains from eye by a small hole, canal of schlemm
-produced by ciliary body
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| Describe cones | -function in bright light
-produces colour vision
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| describe rods | -function in dim light
-produces black and white vision
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| Describe conjunctiva | -lines the inner surface of the eyelids & cornea and the outer layer of the eyeball
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| describe fovea | -the center of the macula
-light rays from an object are directed to the fovea
-only cones
-provides greatest acuity
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| describe pupil | coloured contractile membrane
perforated center is the iris
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| Describe the vestibular system | -the function is control of balance & eye movements
-consists of semicircular canals
-responsible for maintaining both static and dynamic equilibrium
-vestibule (joins cochlea & semicircular canals
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| Describe vitreous humor | -jellylike substance that fills the interior of the eye - vitreous chamber
-refractive structures of the eye
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| What are the function of the ear | -sense receptor organ for hearing & equilibrium
-hearing is a function of the cochlea
-equilibrium is a function of semicircular canals & vestibule
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| What are the 3 tunics of the eye | fibrous tunic
vascular tunic
sensory tunic
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| What is an otolaryngologist | a physician taht treats disorders, treats ears nose throat (ENT)
many employ audiologist
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| what are the specific sensations | vision
smell
taste
hearing
equilibrium
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| What is macular degeneration | detoriation of the macula responsible for central vision
most common is age related macular degeneration
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| What is otosclerosis | disorder characterized by ankylosis of he ossciles
most commonly affected is the stapes
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| Where are the ossciles located | middle ear
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