duct

noun

an enclosed conduit for a fluid
流体用の密閉された導管
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
上皮細胞で内側を覆われ、分泌または他の物質を運んでいる身体の通路または管
- the tear duct was obstructed
  涙管が詰まった
- the alimentary canal
  消化管
- poison is released through a channel in the snake's fangs
  毒は、ヘビの牙の管を通して放出される
a continuous tube formed by a row of elongated cells lacking intervening end walls
間に端壁のない細長い細胞が並んだ、節のない管