Somatic
The sense of smell
olfaction
The white outer layer
sclera
The colored part of the eye
iris
Collects sound waves
auricle
oval window
When receptors adjust to continuous stimulation
sensory adaptation
The front transparent part
cornea
This changes shape to focus an image
lens
external auditory meatus
This contains hair cells that control balance and movement
semicircular canals
A dull pain that is long lasting
chronic
The vascular middle layer
choroid
The opening in the iris that controls the amount of light
pupil
Vibrates when sound waves hit it
tympanic membrane
The part of the inner ear located under the stapes
vestibule
Pain that comes from a part of the body not being stimulated
referred pain
The space behind the lens that holds a gooey material
vitreous cavity
The space between the cornea and iris
aqueous chamber
This contains sensory hair cells for hearing
cochlea
Equalizes pressure between the outside air and inner ear
auditory tube
Receptors stimulated by changes in chemical composition
chemoreceptors
Muscles that change the shape of the lens
ciliary body
Photoreceptors that recognize black and white
rods
This sends impulses to the brain
vestibulocochlear nerve
The opening from the ear to the throat
nasopharynx