Vestibular System Flashcards
1
Q
Vestibular system
A
The sensory system detecting balance
2
Q
Semicircular canals
A
Three fluid-filled tubes oriented in three planes of movement
3
Q
Pitch
A
Sense nodding head
4
Q
Yaw
A
Sense shaking head
5
Q
Roll
A
Sense tilting head
6
Q
Ampulla
A
Enlarged chamber at the base of the canals containing receptor hair cells that bend to detect head movement
7
Q
Utricle and saccule
A
Paired sacs that are responsible for non-directional acceleration and deceleration signals that hair cells detect
8
Q
What causes motion sickness?
A
The brain receives conflicting information about body positioning in space from the eyes and the semicircular canals where visuals signal stability and vestibular system signals movement
