semicircular canal

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Related to Semi-circular canal: anterior semicircular canal

semicircular canal

n.
Any of three tubular and looped structures of the inner ear, together functioning in maintenance of the sense of balance in the body.

semicircular canal

[-sur′kyələr]
Etymology: L, semi-, half, circulare, to go around, canalis, channel
any of three bony fluid-filled loops in the osseous labyrinth of the internal ear, associated with the sense of balance. The posterior, superior, and lateral canals, all about 0.8 mm in diameter and perpendicular to each other, open into the cochlea. The posterior canal is the longest.
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Semicircular canals

semicircular canal

One of the three perpendicular tubular hollows, each forming two-thirds of a circle, that extend from the vestibule of the labyrinth in the inner ear. The semicircular canals are the bony shells that contain the similarly shaped semicircular ducts, membranous sensory organs that detect the angular acceleration and the orientation of the head.
See also: canal
References in periodicals archive ?
Firstly, the group with definite peripheral vertigo will have positive signs with some of the following tests: Dix Hallpike test, lateral semi-circular canal (SCC) test, caloric test, HIT, and DVAT.
It is caused by otolith crystals becoming dislodged and floating in a semi-circular canal.
Superior semi-circular canal dehiscence syndrome (SSCD)
The sound, which arrives at the cochlea after the middle ear bones transmit it to the oval window, reverberates through the cochlea and the semi-circular canals.
The late nineteenth-century debate over the semi-circular canals was part of a larger debate about the concepts of time and space: some, including Mach, argued that they were derived from the evidence of the senses, while others, following Kant, argued that they were logically prior to perception.
There are three semi-circular canals in your inner ear that help you keep your balance.