Category:Duct

Duct, n. Etym: [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.)

Defn: One of the vessels of an animal body by which the products of glandular secretion are conveyed to their destination.

3. (Bot.)

Defn: 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.