Canal

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Related to semicircular canal: anterior semicircular canal

CANAL. A trench dug for leading water in a particular direction, and confining it.
     2. Public canals are generally protected by the law which authorizes their being made. Various points have arisen under numerous laws authorizing the construction of canals, which have been decided in cases reported in 1 Yeates, 430; 1 Binn. 70; 1 Pennsyl. 462; 2 Pennsyl. 517; 7 Mass. 169; 1 Sumu. 46; 20 Johns. 103, 735; 2 Johns. 283; 7 John. Ch. 315; 1 Wend. 474; 5 Wend. 166; 8 Wend. 469; 4 Wend. 667; 6 Cowen, 698; 7 Cowen, 526 4 Hamm. 253; 5 Hamm. 141, 391; 6 Hamm. 126; 1 N. H. Rep. 339; See River.

References in periodicals archive ?
The inner ear consists of the cochlea, vestibule and semicircular canals encased in the bony otic capsule.
Rotational vertigo is seen in patients with diseases of the semicircular canals or their central connections, or damage to the otoliths resulting in linear vertiginous sensations or illusions of body tilt.
Although vestibular eye movements adequately compensate for most natural head movements, which are brief, the signal from the semicircular canals copes less well with sustained head rotations, such as those which occur if we move in a circle for several seconds.
Repeated Dix-Hallpike tests were positive for left sided posterior semicircular canal BPPV despite multiple particle repositioning procedures over a period of three years.
In this article we report a new case of large bilateral internal auditory meatus, and we discuss the possibility that a developmental abnormality underlies superior semicircular canal dehiscence (SSCD) syndrome.
Although humans and apes share many aspects of inner-ear anatomy, humans display markedly larger semicircular canals relative to body weight, Spoor holds.
Bilateral posterior semicircular canal dehiscences were identified (figure).
The semicircular canal system of the organs of equilibrium.
VEMP testing has been used in patients with cerebrovascular accidents, (1) acoustic neuromas, (2) vestibular neuritis, (3) herpes zoster oticus, (3) Meniere disease, (3) and superior semicircular canal dehiscence.
Superior semicircular canal dehiscence (SCD) syndrome is a recognized condition associated with varying degrees of vestibular and auditory dysfunction.
Agenesis of the mastoid antrum has surgical implications because failure to recognize its absence can result in disorientation during mastoid surgery, with potential to injure the lateral semicircular canal and/ or the facial nerve.
In those occasional cases when it is not, you are dealing with cochlear otosclerosis or a semicircular canal dehiscence.