Auditory + Vestibular Systems Flashcards
What is the Reissner’s membrane?
separates the scala vestibule from the scala media
What is the Baislar membrane?
separates scala media from the scala tympani
where does the scala tympani meet?
oval window
where does the scala vestibule meet?
round window
What reflex keeps the eyes still as the head moves?
Vestibule-occular reflex
What reflex keeps the head still in space/level when you walk?
Vestibular-colic reflex
What is the reflex that adjusts posture for rapid change in position?
Vestibular-spinal reflex
What is the function of the Otolith organs?
sense acceleration + linear gravity
What are the crystals made out of in the otolith organs>
calcium carbonate
What provides information concerning gravity, rotation and acceleration?
vestibular system
What can be added to a CT to make it a CT angiogram?
Iodine
Why does the iodine in an angiogram not enter the brain?
BBB –> can indicate damage to this structure
