“On the outside looking in.”

Middle of the road.

The Inner Sanctum.

Lets “hear” it for the ear.

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Anatomy & Physiology of the Ear

Collects and directs sound waves through the auditory canal to the

eardrum.

What is the external ear?

Too much of this can block sound transmission.

What is earwax or cerumen?

The part of the ear you can see. (another name for external ear)

What is pinna?

Collects and directs sound waves through the auditory canal to the eardrum.

What is the external ear or pinna?

Separated from the external ear by the eardrum and is an air filled cavity carved out of the temporal bone

.

What is the middle ear?

Another name for eardrum

What is the tympanic membrane?

Eustachian tube

What connects the middle ear to the throat / nasopharnyx?

Opens the Eustachian tube to allow air in or out, as needed for equalization.

What is a chewing and / or swallowing motion?

Consists of a maze of fluid-filled tubes, running through the temporal bone of the skull.

What is the inner ear?

The fluid that fills the bony tubes also known as the bony labyrinth.

What is the perilymph?

Located in the inner ear, two membrane-covered outlets into the air-filled middle ear.

What is the oval window and the round window?

The fluid that fills a series of delicate cellular tubes, called the membranous labyrinth.

What is endolymph?

The nerve in which nerve impulses generated in the inner ear travel along and that leads to the brain.

What is the vestibulocochlear nerve?

The three smallest bones in the human body.

What are the hammer (malleus), the anvil (incus), and the stirrup (stapes)?

Three linked, movable, bones adjoining the eardrum.

What are the Ossicles?

Vibrates in response to sound pressure waves.

What is the eardrum?