tu·bule /ˈtu(ˌ)bju(ə)l, ˈtju-/
  小管,細管
  tu·bule /ˈt(j)u(ˌ)bju(ə)l/ 名詞
  (拉tubulus)小管,細管
  Tu·bule n.
  1. A small pipe or fistular body; a little tube.
  2. Anat. A minute tube lined with glandular epithelium; as, the uriniferous tubules of the kidney.
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