Duct

Duct

(Science: anatomy) a passage with well defined walls, especially a tube for the passage of excretions or secretions.

Synonym: ductus.

Origin: L. Ductus from ducere = to draw or lead a continuous tube formed by a row of elongated cells lacking intervening end walls.An enclosed conduit for a fluid.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 snakes fangs.Tubes responsible for carrying liquids.

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