the ear Flashcards
ear has…parts
3
3 layerf of the ear
inner, middle and outer ear
external ear has … glands
Ceruminous glands
(external ear)… glands along …
Integumentary glands along external acoustig meatus
external ear …material in …
secret waxy material in cerumen
secret waxy material in cerumen function
keeps foreign objects out of tympanic membrane,
slows growth of microorganisms in external acoustic meatus
other name middle ear
tympanic cavity
middle ear comunicates…
with nasopharynx via auchitory tube
middle ear comunication causes
permits equalization of pressures on either side of tympanic membrane
middle ear function
encloses an protects three auditory ossicles
3 auditory ossicles
Malleus (Hammer)
Incus (anvil)
Stapes (stirrup)
look at picture
- picture from behind
look at picture
- picture from behind
look at picture
picture before last picture
