Ch. 18 Day 2 Flashcards
part of ear that collects sound waves and directs them to middle ear
external ear
part of ear we can see
auricle/pinna
2nd part of where sound waves go
external acoustic meatus
seperates external and mid ear
tympanic membrane
line ear canal
ceruminous glands
most of middle ear is the
typmanic cavity
tube in ear that is about 4 cm long
auditory tube
auditory tube helps
equalize pressure/balance
middle ear three auditory ossicles
malleus, incus, stapes
malleus fake name
hammer
incus fake name
anvil
stapes fake name
stirrup
malleus articulates with the
tympanic membrane
when malleus vibrates it vibrates the
incus
stapes sits on what
oval window
auditory ossicles are important to
amplify sounds
muscles that protect violent vibrations for middle ear
tensor tympani, stapedius
inner ear is where there is
balance and equilibrum special house receptors
coiled pathway in the ear is the
bony labyrinth
snail head of bony labyrinth is called
vestibule
snail antena of bony labrinith is called
semicircular canals
middle of snail bony labrinith
cochlea
soft structure in snail bony labyrinth
membranous labyrinth