Flashcards in Ear Terminology Deck (17):
organs dedication to balance
seashell-shaped cartilaginous portion of ear located outside head
hard outer edge at the top of pinna
small promince of pinna attached to side of head and near ear canal
fatty tissue located at the bottom portion of external ear
external auditory canal, eardrum. Vibrates when sound waves reach it.
fine hairs and wax-like secretions that protect ear canal from debris and airborne particles
3 tiny ear bones: malleus, incus, stapes
tiny bone that passes vibrations from eardrum to anvil
tiny bone that passes vibrations from hammer to stirrup
tiny U-shaped bone that passes vibrations from the stirrup to the cochlea. Smallest bone in the human body.
snail-shaped fluid filled structure, line with cilia (tiny hairs) that move when vibrated and cause a nerve impulse to form
anatomic structure that separates middle ear from inner ear
organ of Corti
changes sound vibrations into electrical nerve signals in the cochlea
tunnel linking the air behind the eardrum to the air in the throat and then to outside air, which allows atmospheric pressure changes to reach both sides of eardrum.
utricle/saccule/3 semicircular canals
organs of the vestibular system