canaliculus; tubule
【醫(yī)】 tubule; tubuli; tubulus

1.microtubule  

細的英語翻譯：

careful; fine; slender; thin; thinly; thinness; trifling
【計】 mic-
【醫(yī)】 lepto-; micr-; micro-; mikro-; tenuity

管的英語翻譯：

canal; duct; fistula; guarantee; meatus; pipe; tube; wind instrument
【化】 pipe; tube
【醫(yī)】 canal; canales; canalis; channel; duct; ductus; salpingo-; salpinx
syringo-; tuba; tube; tubi; tubing; tubo-; tubus; vas; vaso-; vessel