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52 Cards in this Set
- Front
- Back
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Olfactory Receptors
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modified neurons
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olfactory epithilum
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house olfactory receptor cells
live 60 days |
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olfactory cillia
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protiens bind to order producing molecules
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olfactory bulb
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unmylined axons from nasal cavity to brain
surround by Schwann cell |
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cribifrom plate
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ethmoid bone
olfactory bulb axons |
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olfactory cortex
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hippocampus amydala(limbic)
thalamus to frotal lobes of cerebral cortex |
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vomeronasal organ
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sensitive to pheromones
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Taste receptor cells
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modified epitial cells 10 days
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taste bud
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40-60 taste receptor cells
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taste pour
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connects taste bud to tounge
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taste hairs
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bathes toung w/ saliva
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taste sympatic ocntact
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afferent nerve
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Papillae
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circumvallate, foliate, fungiform
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Taste Pathway
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cranial nerves 7 9 10
gustatory nucleus in medulla thalamus cerebral cortex |
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Photoreceptor cells
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in retina
respond to colors |
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Eyelids
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lined by conjunctiva
orbiculoris oculi levator palapebral |
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Lacrimal apparatus
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gnereates tears
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Outer Layer
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Sclera: white
Cornea: transparent |
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Uveal Middle
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Choroid
Cillary Iris |
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Cillary Body
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suspensory liagments holds lens in place
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Choroid
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melonocytes prevents light reflaction vascular
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Iris
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color of eye
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Pigmented epithial
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non neural
melanin containg cells regulates nutrients Vit A phagocytizes |
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Neural retina
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outgrowth of brain
relays info form bran to optic nerve |
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Phtotrecetors
Bipolar Ganglion Amacrine Horziontal |
decect light
relay info from phtot to gang. axons form optic nerve interact w/ all abve ineract w/ above illusions |
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Neural Gial Cells
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Mueller
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rhodopsin
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viusal pigments in rods
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cone
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yellow pot macula luteria
fovea sharpest vision |
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optic disk
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optic nerves exit retina
no photorecepters blindspot |
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posterior chamber
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aqueous humor
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posterior cavity
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vitrous humor jelly
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cavities divided by
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lens
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chambers divided by
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iris
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viewing near objs.
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cillary body contracts
increases reactive power of lens |
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distant object
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muscles relax decrease power of lens
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Presbyopia
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elasticy of lens lost
connect view near obj. convex lens correct |
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Hypervpia
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farshitness
eyeball too short convex lens |
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myopoia
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nearsighteness
eyeball to long concave lens |
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Astigmatism
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irrgular curvature of cornea
cylinderal lens |
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Catarat
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lens becomes opaque
chem. agents UV infrared radiation |
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Visual pigments chem. changed
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rohdopsin>t-retinal>t-retinol(bleaches)
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Visual pathway
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photorecptor>bipolar>ganglia> up axons>thalamus
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Trichromats
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normal red green blue
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Dicromats
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2 color match
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Protanotes
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green and blue
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Protanotaes
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green and blue
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Deuteranopes
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red and blue
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Tritanopes
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red and green
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monochromats
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color blind
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dark adaptation
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rhodpsin bleaches light regenerated
vit A cycles between rods and retinal pigmeted epithelium |
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left vis field
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left optic nerve
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rt vis field
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right optic nerve
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