Deep inside the head is the inner ear, which contains 3 small, fluid-filled structures called the semicircular canals (ducts). Each duct has a swelling at the end called the ampulla. Within the ampulla are tiny "balance" receptors called crista.
Review Date: 5/3/2006
Reviewed By: A.D.A.M. Medical Illustration Team
Reviewed By: A.D.A.M. Medical Illustration Team
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