Vestibular System Flashcards
What is the complex system of canals subdivided into?
Vestibule and semicircular canals
Where is the vestibular system?
Within the petrous portion of the temporal bone.
What is the membranous labyrinth, the tube that contains receptors for head movement and position subdivided into?
Semicircular ducts and saccule and utricle
Where is the semicircular duct?
Within the semicircular canals
Where are the saccule and utricle?
Within the vestibule
What secretes endolymph?
Cochlear duct
Where does endolymph drain?
Into the dural sinuses via the endolymphatic duct
What secretes perilymph?
Periosteum
Where does perilymph drain?
Into the CSF via perilymphatic duct
What causes the flow of endolymph
Rotation of ducts with head movement