External Ear
Middle Ear
Internal Ear
Important Structures
Miscellaneous
100

The name for the outer, visible part of the ear. 

What is the pinna/auricle?

100

The other name for the middle ear. 

What is the tympanic cavity?

100

This spiral-shaped structure in the inner ear is responsible for converting sound vibrations into neural signals.

What is the cochlea?

100

These two otolith organs in the vestibular system detect linear acceleration and head position relative to gravity. 

What is the utricle and the saccule?

100

The vestibular apparatus is made up of these two structures. 

What is the vestibule and the semicircular canal?

200

The primary function of the external ear. 

What is to capture and funnel sound waves to the eardrum?

200

The three ossicles that are found in this part of the ear. 

What is the malleus, incus, and stapes?

200

These two structures make up the bony labyrinth. 

What is the cochlea and the vestibular apparatus? 

200

This structure contains the spiral organ of corti.

What is the cochlea?

200

Equilibrium information is relayed via this structure to the cerebellum. 

What is the vestibular branch of CN VIII?

300

The term for the canal that leads from the outer ear to the ear drum. 

What is the external auditory canal / external acoustic meatus?

300

The primary function of the middle ear. 

What is to transmit and amplify sound waves from the outer ear to the inner ear. 

300

This is the lining of the inner ear.

What is periosteum?

300

These structures project into the membranous labyrinth at certain locations. 

What is the stereocilia of hair cells?

300

This structure houses the saccule and the utricle.

What is the vestibule?

400

The structure that separates the external ear canal from the middle ear. 

What is the tympanic membrane?

400

The footplate of the stapes rocks against this structure of the cochlea?

What is the oval window?

400

This is the fluid that the inner ear is filled with. 

What is perilymph?

400

This structure contains perilymph and receives vibrations from rocking of stapes.

What is the vestibular duct (scala vestibuli)?

400

This is the structure that the spiral organ of corti sits on top of.

What is the basilar membrane?

500

This part of the temporal bone houses the structures responsible for hearing and balance.

What is the petrous portion of the temporal bone?
500

This structure connects the middle ear to the nasopharynx and helps equalize pressure. 

What is the eustachian tube (auditory tube)?
500

This structure provides passage of the cochlear branch of CN VIII and the vestibular branch of CN VIII. 

What is the internal acoustic meatus?

500

This structure contains perilymph and receives pressure waves from vestibular duct. 

What is the tympanic duct (scala tympani)?

500

Auditory information from this structure is relayed to the auditory cortex.

What is the cochlear branch of CN VIII?