Vestibular System Flashcards
Function of vestibular system?
Balance, posture and spatial awareness
What is the labyrinth
Bony outer wall of inner ear
What is labyrinth split into
Vestibular and cochlear (auditory)
What is contained within each labyrinth?
Anterior
Posterior
Lateral
Semicircular canals
What fluid is inside bony labyrinth?
perilymph fluid which encases membranous labyrinth
What forms the canals?
membranous labyrinth
What does each canal contain?
Endolymph fluid
What is contained within the endolymph fluid?
Motion sensor
What is the cupula?
Ampulla of the semi circular canals
What is the ampulla?
Enlarged structures at the end of the semi-circular canals
What are the cupula part of?
Crista ampullaris (sensory organ of rotation)