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Duct - Dictionary Definition and Overview |
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Duct : (noun)
1: a bodily passage or tube lined with epithelial cells and
conveying a secretion or other substance; "the tear duct
was obstructed"; "the alimentary canal"; "poison is
released through a channel in the snake's fangs" [syn: epithelial
duct, canal, channel]
2: a continuous tube formed by a row of elongated cells lacking
intervening end walls
3: an enclosed conduit for a fluid
Based on WordNet 2.0
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Duct : \Duct\, n. [L. ductus a leading, conducting, conduit, fr.
ducere, ductum, to lead. See Duke, and cf. Douche.]
1. Any tube or canal by which a fluid or other substance is
conducted or conveyed.
2. (Anat.) One of the vessels of an animal body by which the
products of glandular secretion are conveyed to their
destination.
3. (Bot.) A large, elongated cell, either round or prismatic,
usually found associated with woody fiber.
Note: Ducts are classified, according to the character of the
surface of their walls, or their structure, as annular,
spiral, scalariform, etc.
4. Guidance; direction. [Obs.] --Hammond.
Based on Webster's Revised Unabridged Dictionary
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Duct : Duct: A passage or a tube with well-defined walls suitable for the conveyance of air or liquids, as the bile duct and the pancreatic duct.
Duct is a contraction of the New Latin word ductus. The Romans, however, used the word canalis to designate a conduit.
Based on Webster's Revised Unabridged Dictionary (1913)
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