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.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
1D): from the anterior margin of the foramen magnum to the tip of occipital condyle (FM-OC); from anterior margin of the foramen magnum to the medial external margin of the hypoglossal canal (FM-HC); from anterior margin of the foramen magnum to the pharyngeal tubercle (FM-PT); from the anterior tip of the occipital condyle to medial external margin of the hypoglossal canal (OC-HC).
In performing surgery, we considered decompression of the brainstem, jugular foramen, and hypoglossal canal, which is achieved by the removal of the dislocated fragments associated with C1 dislocation and OCFs.
Dural arteriovenous fistula involving the hypoglossal canal: case reports and literature review.
The hypoglossal canal, leading to the tongue, has been invoked in this context (Kay et al., 1998), but broader comparative samples have shown that it is not useful as an indicator of speech (DeGusta et al., 1999; Jungers et al., 2003).
(4,5,7,8) Inferior expansion can involve the jugular foramen and hypoglossal canal and lead to palsies of cranial nerves IX through XII.
Magnetic resonance imaging revealed a well-defined, abnormal, contrast-enhancing mass lesion involving the left lateral mass of the first cervical vertebra and the left occipital condyle up to the level of the left hypoglossal canal (Figure, A).
"I think it's pretty clear that hypoglossal canal size has nothing to do with speech," DeGusta says.
The important anatomical consideration for condylar drilling includes relationships of occipital condyles to foramen magnum, hypoglossal canal and vertebral artery.