① used to transport objects rubber catheter tube Google Forum | infusion catheter. ② angiosperm xylem conduit pipe water and salt solution. By a number of tubular, cross the cell wall of the upper and lower perforated linked from. Catheter length and diameter vary by plant species.
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dǎo guǎn
Accommodate and protect the wire or cable (such as for telephone lines or power lines) tubing, pipe or tile
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No. 3
Gas, liquid or other substances (such as sperm, eggs, spores) by the adoption of a tube formed by the cells
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No. 4
Pipe used to transport liquid.
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No. 5
Plant xylem transport water and salts within the tube.
n.: vascular system, thin tube used to drain fluids from the body, esp one that is inserted into the bladder to extract urine, conduct pipe, catheter, aqueduct, connecting tube, vessel, vas, tracheae, trachea, pipe, meatus, leader, ducting, Ducts, deferent, conduit