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Senses
vision, hearing, taste, smell
31
Anatomy
11th Grade
02/16/2011

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Cards

Term
List three receptors for touch and pressure















































































List the three receptors for touch and pressure
Definition
meisners, pacineans, free nerve endings
Term
What do mechanoreceptors detect?
Definition
Change in pressure and fluid movement
Term
what do chemoreceptors detect?
Definition
chemical concentration
Term
What do pain receptors detect?
Definition
damaged cell & tissue damage
Term
What do thermoreceptors detect?
Definition
Cold and heat changes
Term
Blind Spot
Definition
Areas without rods and cones.
Located at the optic disk where the optic nerve leaves the eye
Term
Choroid
Definition
Dark vascular, middle tunic. Prevents light scattering
Term
cones
Definition
Color vision. Sharpness of vision, found in macula
Term
conjunctiva
Definition
nucleus membrane inside of eyelids and folds back over the eye surface
Term
cornea
Definition
Transparent area of outer tunic. Modified sclera
Term
Fovea centralis
Definition
Sharpest vision. Center of retina center of macula, and latteral to optic disk
Term
Iris
Definition
colored part used in accomidation
Term
Lens (what holds it in place)
Definition
focuses light, held in place by cilary body (suspensatory ligaments)
Term
Myopia
Definition
nearsighted. Focuses too early
Term
Rods
Definition
Dim light, most numerous, more on periphery, black, white, grey.
Term
Sclera
Definition
White of eyes, fiberous CT outer tunic
Term
Beginning with the cornea, trace the pathway of the light until it reaches the pigmented retina
Definition
Cornea-Anterior Segment-Pupil-Lens-Posterior Segment-Neural Layer-Pigmented Retina
Term
Beginning with the tympanic membrane, trace how sound travels through the ear until it reaches the round window
Definition
Eardrum-Malleus-Incus-Stapes-Oval Window-Scala Tympani-Round Window
Term
Which three nerves are responsible for taste?
Definition
Facial- VII Vagus- X Glossopharyngeal- IX
Term
What is another name for the malleus, incus, and stapes?
Definition
Hammer, anvil, stirrup
Term
Taste, smell, hearing, and balance receptors all have one thing in common. What is it?
Definition
Hair cells
Term
Where are otolith crystals located?
Definition
Maculae of uticle and saccule
Term
What part does the tympanic membrane play in hearing?
Definition
It vibrates and sends vibrations to the ossicle
Term
Where is SWEET taste perceived on the tongue?
Definition
front and middle
Term
Where is SOUR taste perceived on the tongue?
Definition
middle sides
Term
Where is SALTY taste perceived on the tongue?
Definition
front sides
Term
Where is BITTER taste perceived on the tongue?
Definition
BACK
Term
Where is UMAMI taste perceived on the tongue?
Definition
Posterior
Term
Where are hearing receptors located?
Definition
Organ of Corti
Term
Where are static equilibrium (linear motion) receptors located?
Definition
Uticle and saccule of vestible
Term
Where are dynamic equilibrium (angular motion) receptors located?
Definition
Semi Circular Canals
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