Canal

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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 ?
A contrast-enhanced computed tomography (CT) scan or magnetic resonance imaging (MRI) is used to evaluate the contents of the spinal canal.
Retaining their central spinal-cord connections, intercostal nerves were freed, routed through the spinal canal, and connected to sacral-nerve roots or implanted into the conus medullaris (i.
Coronal Reformat Cervical spine (b) shows mild platybasia with angulation at the CVJ junction and spinal canal stenosis.
Anatomically, a reduction in the spinal canal space secondary to stenosis can increase the risk of compression of surrounding structures, and epidural fibrosis associated with spinal stenosis can cause bleeding.
One is central canal stenosis, where the compression occurs on the spinal cord within the spinal canal before the nerves exit to the lower extremities.
It involves removing the section of the vertebra that covers the spinal canal to make more room for the nerves.
The anteroposterior osseous spinal canal diameter was measured to evaluate the severity of spinal stenosis.
It is a narrowing of the spinal canal that can produce a variety of symptoms:
The fracture appeared chronic and included retropulsion of the bone and 50% spinal canal compromise.
Degenerative lumbar spinal stenosis is a condition in which there is diminished space available for the neural and vascular elements in the lumbar spine secondary to degenerative changes in the spinal canal.
Lower back pain/extremity numbness is frequently caused by the degenerative condition known as lumbar spinal stenosis: the narrowing of the spinal canal caused by the overgrowth of ligamentum flavum.