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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 ?
In large-scale studies with patients that present with tinnitus, hearing loss, or dizziness, the use of MRI with 3D reconstruction, including the internal auditory canal, might be a good idea, to allow for the detection of more such cases and possibly validate these findings.
Dislocation of bilateral condyles posteriorly, occluding the external auditory canal, caused a fracture of the anterior plate of the tympanic bone.
Utilizing the trusted performance of ASC's Delicot[R] material, the new 2 x 20mm micro Delicot[R] possesses market leading pliability and a low profile allowing for never before available protection of the facial nerves during complex surgical procedures in and around the Internal Auditory Canal.
Dilute vinegar therapy for the management of spontaneous external auditory canal cholesteatoma.
Inclusion criteria: When otitis media, otoscopic examination through the external auditory canal showed the eardrum was inflammatory, manifested as redness, swelling and extrusion; reflection of the otoscopic light by the eardrum surface disappeared or attenuated; the eardrum had a white interface upon middle-ear hydrops; age older than 18 years.
The new-age hearing aids are not visible to others and can be placed within the auditory canal.
The external auditory canal and tympanic membrane showed normal morphology, without any sign of bleeding and hematoma.
The extension of the cholesteatoma in sinus tympani, facial recess, vestibule, cochlea; internal and external auditory canal are well evaluated with HRCT temporal bone scans.
Clinical studies show that about half of children have wax in their external auditory canal blocking 25% of the view, and one-quarter have wax blocking 50% of the view.
Adenoid cystic carcinoma of the external auditory canal.
Although the mechanism of primary otic pneumocystosis is as yet unclear, it has been suggested that it may follow airborne invasion by trophozoites of the external auditory canal (6) and that the middle ear may become involved after spread from nasopharyngeal carriage via the eustachian tube.

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