duct epithelial duct canal channel
duct%1:08:00:: epithelial_duct%1:08:00:: canal%1:08:00:: channel%1:08:00::
kanal vod
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