Vestibular System Flashcards
1
Q
vestibular system
A
detects balance
small inner ear structures
2
Q
5 structures of vestibular system
A
3 fluid - filled tubes in inner ear
saccule
utrick
3
Q
ampulla
A
enlarged region of each semicircular canal
contains receptor cells of vestibular system
receptor cells = hair cells
4
Q
motion sickness
A
nausea from unnatural passive movement
5
Q
pitch
A
head moving up and down
6
Q
yaw
A
horizontal head moving side to side
7
Q
roll
A
tilt head side to side
8
Q
utricle
A
forward, backward and sideward accelerations
9
Q
sacculus
A
backwards, up and down accelerations
10
Q
otolithic membrane
A
lags when head moves
causes bending of nearby hair cells
