The Inner Ear Flashcards
What are the two cavities within the inner ear?
The bony labyrinth and membranous labyrinth
What is the fluid within the bony labyrinth
Perilymph
What is the fluid within the membranous labyrinth?
Endolymph
What are the three regions of the bony labyrinth
Vestibule, semicircular canal, and cochlea
What does the vestibule house?
The saccule and the utricle
What does the semicircular canal house?
Semicircular ducts and the ampullae
What does the cochlea house?
The cochlear membrane, which houses the spiral organ
Which region controls static equilibrium?
Vestibule
Which region controls rotational equilibrium?
Semicircular membrane
What region uses hair cells to respond to sound wave vibrations?
The cochlea, specifically the spiral organ