Ear and Course
of Sound in Cochlea Anatomy
Limbs of stapes, Facial nerve (CN VII) (cut), Prominence of lateral semicircular canal, Base of stapes in vestibular (oval) window, Vestibule, Semicircular ducts, ampullae, utricle, and saccule, Tegmen tympani Incus, Malleus (head), Epitympanic
recess, Auricle,
Arcuate Facial nerve (CN VII) (cut)
eminence Vestibular nerve, Cochlear nerve, Frontal section, Internal
acoustic meatus, Vestibulocochlear nerve (CN VIII), Tympanic membrane, Parotid gland, Tympanic cavity, Promontory, Cochlear (round)
window, Auditory tube
(eustachian), Internal jugular vein, External acoustic meatus, Helicotrema, Nasopharynx, Cochlea, Scala vestibule, Scala tympani, Cochlear duct containing
spiral organ (of Corti), Adult, Auditory tube
(eustachian) Child, Auditory tube
(eustachian) is shorter
and more horizontal.