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 ?
Trunk scales have up to seven pulp canal openings, one of main canal and six of lateral canals; dentine canal openings placed evenly in the pulp depression or in a longitudinally dispersed row (emended from Marss & Miller 2004).
Their pulp canal is situated in the posterior third of the base, dentine canals are relatively wide and straight and dentine tubules irregularly sinuous (Pl.
6) with single pulp canal opening; dentine canals wide, sinuous, branching; dentine tubules occurring only in uppermost part of crown.
m long); head and anterior part of trunk wide, dorsoventrally flattened, posterior part of trunk and caudal fin laterally compressed; paired pectoral fins, single dorsal and anal fin, and hypocercal caudal fin present; caudal fin strongly heterocercal in young individuals, becoming nearly symmetrical in adults; orbits on anterolateral corners of head; scale morphology variable depending on position on body; pulp cavity single, occasionally continuing as pulp canal posteriorly; dentine tubules long, narrow, straight.
Otherwise, both DTS and DT also had difficulty recalling the position of pulp canals in such teeth, although the DS were more knowledgeable of the exposure of the mesio-buccal pulp horn of primary molar teeth during preparation compared with the qualified dentists and therapists.
Incidence of pulp necrosis subsequent to pulp canal obliteration from trauma of permanent incisors.
Exoskeleton of head region encased with small plates and platelets, partly possibly with tesserae; trunk and tail covered with tesserae and scales; upper layer of tubercles or elongate dentine ridges of fine dentine tubules arranged in bunches; dentine and pulp canals wide; middle and lower (basal) layers of spongiose aspidine; vascular canals either vertically or horizontally stretched.