duct

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"

भारत की मुक्ति वाहिनी को विश्वास है कि वह अपनी ऐतिहासिक भूमिका अदा करेगी.

the tear duct was obstructed