导管的英文：
catheter
conduit
meatus
pipe
trachea
vas
vessel

参考例句：

A vessel or duct.
导管或输送管

Install necessary conduit.
安装必要的导管。

French anatomist who discovered the thoracic duct.
法国的解剖学家，他发现了胸导管。

Any of numerous small,green,nonvascular plants of the class Hepaticae within the division Bryophyta.
欧龙牙草属苔藓门獐耳细辛纲的一种小型、绿色的非导管植物

Any of various green,usually small,nonvascular plants of the class Musci of the division Bryophyta.
苔藓任一种苔藓植物门苔藓纲绿色植物，通常较小且无导管

Any of various vascular plants,including seed plants and ferns,having a conducting system of xylem and phloem.
导(维)管植物任何种类的维管植物，包括种子植物和蕨类植物，具有木质部和韧皮部导管系统

The duct that drains the entire gland is the main duct
整个腺体的导管称主导管。

The duct that drains the entire gland is the main duct.
整个腺体的导管称主导管。

It's a conduit enclosing insulated electric wires.
这是包电线的导管。

One of the tubular conductive vessels in the xylem of vascular plants.
导管维管植物的木质部中的管状引导管之一

catheter是什么意思：
n. 导尿管,尿液管,导管

She slowly introduced a catheter into a vein.
她慢慢地将导管插入静脉。

What is the incidence of catheter related infections?
导管相关性感染的发生率为多少？

Cystitis and urethritis are complications of prolonged use of indwelling catheters
膀胱炎和尿道炎是长期应用留置导尿管的并发症。

conduit是什么意思：
n. 导管,水管,沟渠

Along either side of these conduit, lie the cultivated district.
在这些导线管的两边是被耕耘了的地区。

It is desirable that compensating cables be run in earthed conduit
补偿导线最好在地下管道中穿过。

The principal pipe or conduit in a system for conveying water, gas, oil, or other utility.
主要管道输送水、天然气、石油系统中的主要管道或沟渠或其他公用事业设备

meatus是什么意思：
n. 管,导管,道

The projection of skin - covered cartilage in front of the meatus of the external ear.
耳屏在外耳耳道前面的有皮肤覆盖的软骨突起