释义 |
semicircular canal noun[ C ] anatomy specialized(alsosemi-circular canal)uk /sem.iˌsɜː.kjə.lə kəˈnæl/ us /sem.iˌsɝː.kjə.lɚ kəˈnæl/ any of three curved tubes in the inner ear that are filled with liquid and that help control balance: The tiny hairs in the semicircular canals of the inner ear relay gravity and motion information to the brain. The motion disturbs the function of the semicircular canals in the inner ear, causing nausea. Three semicircular canals in the inner ear help maintain balance. Any movement of the head changes the position of the semi-circular canals in relationship to gravity. The vestibule is the region of the inner ear where the semicircular canals converge, close to the cochlea. SMART Vocabulary: related words and phrases The ear antihelix antitragus audiological audiology auditory tube cochlea eardrum earlobe incus labyrinth labyrinthitis malleus mastoid cell membranous labyrinth organ of Corti round window saccule sacculus snug piercing stapedial |