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Outer ear
Auricle (pinna)
External acoustic meatus
Eardrum (tympanic membrane)
Middle ear
Tympanic cavity
Auditory ossicles
Malleus
#1
Incus
#2
Stapes
#7
Eustachian tube (auditory tube)
Inner ear (labyrinth)
Osseous labyrinth
Blue part
Membranous labyrinth
Orange part
Cochlea
#4
Oval window
K (the structure behind D)
Round window
F
Scala tympani
Scala vestibuli
Vestibular (Reissner's) membrane
Basilar membrane
Cochlear duct (scala media)
Spiral organ (organ of corti)
Tectorial membrane
Hair cells of spiral organ
G
Supporting cells of spiral organ
F
Nasopharynx
Vestibulocochlear nerve
Cochlear branch of vestibulocochlear nerve
Vestibular branch of vestibulocochlear nerve
Semicircular canals
Ampullae of semicircular canals
Crista ampullaris
Cupula
A
Hair cells of crista ampullaris
B
Vestibules (utricle and saccule)
Maculae
Otoliths of the macula
A
Hair cells of the macula
C
Gelatinous material of the macula
B