Canal

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Related to Dorello's canal: Meckel's cave

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 ?
1] Infection and inflammation of petrous apex involves 6th cranial nerve at the Dorello's canal and 5th cranial nerve in the Meckel's cave.
They usually experience persistent headache (usually frontal) and early abducent nerve paralysis caused by apical involvement and extension into Dorello's canal.
Gradenigo syndrome (Gradenigo-Lannois Syndrome) was described in 1907 by Giuseppe Gradenigo when he reported a triad of symptoms characterised by periorbital unilateral pain due to trigeminal nerve involvement at Meckel's cave, diplopia due to involvement of abducens nerve in Dorello's canal and persistent otorrhoea of involved ear.