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 ?
The anterior section of the eye is organized with TM, a filter-like tissue which is made of a sequence of fenestrated beams by which AH flows for leaving the anterior chamber via canal of Schlemm. The TM is gathered to control the AH flow so as to create IOP.
By the fifth month, early trabeculae are apparent separated by intervening spaces and the capillaries are fused to form a single vessel (the 'canal of Schlemm'), which is continuous with the collector channels and scleral vessels.
Another approach is to use trabeculotomy in which the canal of Schlemm is identified by dissection and the trabecular meshwork removed by passing a probe into the canal.