The semicircular canal is an anatomical structure located in the pyramids of the temporal bones of each ear. It consists of three pairs of maculae, which are formed by semicircular canals. These three canals together are called the semicircular canal or simply semicircular canal. They are responsible for the sensation of movement (both rotational and linear) and balance of the body.
The semicircular canal is located in the pyramid of the temporal bone. It is penetrated by semicircular fibers, which are formed in three lobes: upper, middle and lower. Each blade consists of several rows of cells resembling the shape of a cone. The cells in these rows are called sensitive cells because they are capable of recording head movements. The upper and lower semicircles have