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50 Cards in this Set
- Front
- Back
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optic nerve |
enters the back of the eye |
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sclera |
hard outer covering of the eye |
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cornea |
transparent front of the eye, part of the sclera |
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iris |
muscular diaphragm-like substance for the color of the eye |
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pupil |
hole in the eye between the iris |
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lens |
thick, hard and filled with watery fluid |
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retina |
picks up the light to identify color |
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choroid coat |
rods on side of retina to see light/ movement |
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tapetum |
helps night vision- reflects |
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macula |
find cones here for color and detailed vision |
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blind spot |
place where the optic nerve leaves the eyeball |
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visual acuity |
degree of detail the eye can distinguish, Snellen visual acuity chart measures it |
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astigmatism |
blurring or distortion of the visual image by improper convergence of light rays as they enter the eye through imperfections in the cornea, test uses lines and should be performed without corrective lenses |
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deficiencies in color perception |
Ishikawa color vision test--consists of a set of printed forms containing numbers that can be recognized only by individuals whose perception of certain colors is normal |
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equilibrium |
eyes and ears used for balance (semicircular canals (balance in ears)) |
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olfactory lobes (bulbs) |
stick out under the brain--smell |
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cerebrum |
biggest part of the brain (not always, but behind olfactory lobes)--thinking part |
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cerebellum |
extremely wrinkly part of the brain |
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tectum |
visual and auditory reflexes |
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brain stem |
pons, medulla, spinal cord |
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optic lobes |
behind olfactory |
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semicircular canals |
balance |
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malleus |
hammer--makes vibration |
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incus |
anvil--after malleus |
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stapes |
stirrup--after anvil |
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cochlear |
looks like organ pipes and a circular snail after semicircular canals |
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vitreous humor |
slimy center of eye |
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frontal |
primary motor area |
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parietal |
primary sensory area |
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longitudinal fissure |
down the center |
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gray matter |
center of spinal chord |
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central canal |
center of gray matter |
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posterior horn |
thinner horn of gray matter |
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anterior horn |
thicker horn of gray matter |
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white matter |
area surrounding gray matter--contains axons |
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nerve axon surrounded by |
myelin sheath |
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nucleus of Schwann cell forms |
myelin sheath
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Cranial nerve I |
Olfactory Sensory olfactory epithelium |
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Cranial nerve II |
Optic Sensory eye |
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Cranial nerve III |
Oculomotor Motor Eye muscles |
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Cranial nerve IV |
Trochlear Motor Eye muscles (downwards and lateral_ |
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Cranial nerve V |
Trigeminal Both Jaw muscles, teeth, touch, pain |
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Cranial nerve VI |
Abducens Motor Eye muscles (lateral) |
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Cranial nerve VII |
Facial Both Face muscles, tears, saliva, taste |
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Cranial nerve VIII |
Vestibulocochlear (auditory) Sensory Hearing, equilibrium |
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Cranial nerve IX |
Glossopharyngeal Both tongue and pharynx, taste |
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Cranial nerve X |
Vagus Both Viscera (slows heart, stimulates digestion, etc.) |
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Cranial nerve XI |
Accessory Motor Accessory to vagus, swallowing |
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Cranial nerve XII |
Hypoglossal Motor Tongue |
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Chromatophore |
grows depending on light in shrimp aggregated--light coloration dispersed--dark coloration |
