11. The cupula is located within the ampullae of each of the three semicircular canals . 12. The direction of ocular movement is related to the semicircular canal that is being stimulated. 13. The inner ear is large with robust semicircular canals . 14. Dynamic balance is provided through the three semicircular canals . 15. He studied the semicircular canals and, in 1879, he published an article on their morphology. 16. The lapilli and asterisci ( smallest of the three ) are located within the semicircular canals . 17. In the vestibular system, the stereocilia are located in the otolithic organs and the semicircular canals . 18. But the semicircular canals are a more recent innovation, and those are most often blamed for dizziness. 19. Humans have semicircular canals , neck muscle " stretch " receptors, and the utricle ( gravity organ ). 20. Among species of mammals, the size of the semicircular canals is correlated with their type of locomotion.