pinna
external auditory meatus
ceruminous glands
ceruminous glands
the middle ear
the middle ear
tympanic membrane
umbo
what is this space
tympanic cavity
oval window
round window
round window
oval window
auditory/eustachian tube
malleus
Incus
stapes
tensor tympani
bony labyrinth
what fluid is in there
perilymph
membranous labyrinth
endolymph
vestibule
semicircular canals