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34 Cards in this Set
- Front
- Back
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Somatic senses
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Exteroceptive:body surface
Proprioceptive: muscles tendons and joints Visceroceptive:internal |
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Special
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Vison Hearing Balance Smell Taste
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lacrimal apparatus
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lacrimal glands produce tears
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Superio rectus
Inferior rectus Medial rectus Lateral Rectus |
up toward midline
down toward midline toward midline away from midline |
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Superior oblique
Inferior obli1que |
down away from midline
up away from midline |
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Outer eye
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cornea melanocytes
sclera fibrous connective |
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Middle/Uveal layer
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chorid iris cillary
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Iris
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color
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Cillary muscles/process
Suspensory ligaments |
holds lens in place
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Cillary b ody
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secrets aqueous humor into posterior chambor
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too much aquous humor
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glacuma
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Inner eye
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nural and pigmented epithelium
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Neurons in neural retina
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Photorecptors rods and cones
Bipolar horiztontal amacrine ganglion: axons from optic nerve |
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Optic disc
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where axons leave retina
no photoreceptor cells blind spot |
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macula lutea
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yellow spot
carotenoid fovea centralis |
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fovea centrials
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many cones
high visual aquity |
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Anterior cavity
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infront of lens
aqueous humor |
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Anterior chamber
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infront of iris
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Posterior cavity
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behind lens
vitreous humor |
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External Ear
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Pinnna/auricle Ear flap
External auditory meatus tympanic membrane:ear drum |
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Middle Ear
tympanic cavity |
auditory ossicles
(malleus,incus,stapes) to oval window |
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Eustachian (auditory tube)
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connets middle ear cavity with pharynx
equilizes pressure |
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Inner ear
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temperal apparatus balance
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Semicircular canals
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respond to head rotation
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utricle and saccule
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head tilt and linear acceleration
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cochlea tubes
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vestibuli:perilymph
vestibular membrane media:endolymph basilar membrane tympani:perilymph |
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Sound transmission
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typanic membrane
mallaeus incus stapes oval window vestibuli vestibula membrane media basilar membrane hair cells in Organ of Corti tympani of round window |
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conductive hear loss
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inadequate transmission of sound vibration to inner ear
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sensorineual hearing loss
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damage to cochlea
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tilt of head gravity
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utricle and saccule
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linear acceleration and deceleration
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utricle and saccule
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rotation
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semicurcular canals
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otholithic membrane
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macula
otoliths: ear stones gravity |
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cupula
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projects into endolymph of semicircular canals
head rotation |
