semicircular canal

Function

• detect rotational movement of the head

Pathology

• decline in semicircular canal & otolith function with aging
• prevalence of age-related semicircular canal dysfunction > saccular dysfunction > utricle dysfunction

More general terms

• ear structure

More specific terms

• osseous ampulla (bony ampulla of semicircular canals)
• prominence of lateral semicircular canal

Component of

• labyrinth (inner ear)

Components

• semicircular duct
• crista ampullaris (ampullary crest)
• vestibular hair cell