Eye muscles
Middle/inner ear structures
Receptor cells and sensory tissues
Miscellaneous vision questions
Miscellaneous hearing & equilibrium questions
100
what does rectus mean?
straight
100
The name of this group of bones.
Ossicles.
100
the spiral organ is also called what?
organ of corti
100
What is the purpose of vitreous humor?
to hold the retina in place against the choroid
100
what is the function of the auricle?
collect, amplify and direct sound waves into the external auditory canal.
200
How many rectus muscles does the eye have?
four
200
the tympanic membrane is commonly referred to as?
eardrum
200
what does the organ of coti do?
converts vibrations into nerve impulses
200
what does the retina do?
converts light sensations into nerve impulses
200
These ring-like structures on the left side of the image are partly responsible for our sense of equilibrium.
Semicircular canals.
300
how many oblique muscles does the eye have?
two
300
what are the main components of the middle ear?
tympanic membrane, auditory tube, auditory ossicles
300
what type of hair cells does the organ of corti have?
inner hair cells and outer hair cells
300
The technical term for our "blind spot".
Optic disc.
300
What two parts of the inner ear are associated with equilibrium?
Semicircular ducts and Vestibule
400
This muscle contracts in response to bright light.
Radial muscle(s) of the iris.
400
The auditory tube is also referred to as what?
eustachian or pharyngotympanic tube
400
What are the the two membranes of the organ of corti?
basilar membrane and tectorial membrane
400
what are the two types of photoreceptors in the eye?
rods and cones
400
What is organ of hearing?
cochlea
500
how many extrinsic muscles does the eye have?
six
500
What three bones make up the auditory ossicles?
Malleus, Incus, Stapes
500
The name of the "hairs" that bend to facilitate hearing and equilibrium.
Stereocilia.
500
what does the ciliary body produce?
aqueous humor
500
What is the passage that leads through the temporal bone to the tympanic membrane?
auditory canal